<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">本期内容</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span><p></p></font></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">怎样优化</span><font face="Times New Roman">
<span lang="EN-US">MTF<span style="mso-spacerun: yes;"> </span>2</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">MTF </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的公差分析</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>3</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">复杂几何体的创建</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>4</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光源物体</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>5</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">灵活地使用功能</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>6</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">培训和支持</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>7</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">关于我们</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>8</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"></font></span></p><span lang="EN-US"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">本期</span><span lang="EN-US"><font face="Times New Roman">ZENEWS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中的大新闻是我们已将</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">优化和公差分析的速度提高了几个数量级。更妙的是我们在</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中继续不使用近似计算,这就意味着你可以在任何系统中信赖它。详见第</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">页和第</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">页。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">我们也在非序列引擎中添加了许多类似</span><span lang="EN-US"><font face="Times New Roman">CAD</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的几何体创建工具,你可以在</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中执行所有的布尔操作、阵列排列、物体扫场等,就不需要在用其它的</span><span lang="EN-US"><font face="Times New Roman">CAD</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">软件。如果你有</span><span lang="EN-US"><font face="Times New Roman">CAD</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">软件,我们的双向导入接口随时满足您的需要。更多内容参见第</span><span lang="EN-US"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">页和第</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">页。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">由于软件变得越来越强大,有时候会“只见森林不见树”。第</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">页描述描述了一些</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中现有的工具用于简化数据输入和操作。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">我们往</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中添加新功能的原因是我们时刻倾听用户的反馈。如果你需要在</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中添加新功能,我们非常听到您的建议。只需发邮件到</span><span lang="EN-US"><a href="mailto:只需发邮件到support@zemax.com"><font face="Times New Roman"><span style="COLOR: windowtext; TEXT-DECORATION: none; text-underline: none;">
</span></font></a></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;"><a href="mailto:support@wavelab-sci.com.cn">support@wavelab-sci.com.cn</a> ,并告诉我们你想在</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中看到什么。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;"></span></p><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">更简便的安装</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">用一个硬件密钥保护版权,往年我们使用了多种密钥:串列口,紫色</span><span lang="EN-US"><font face="Times New Roman">USB</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,黑色</span><span lang="EN-US"><font face="Times New Roman">USB</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">和现在的网络密钥,可支持多用户同时使用,只需要一个密钥。不幸的是由于每种密钥需要不同的驱动,导致在各台电脑上的切换时,安装繁琐复杂。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><span style="mso-spacerun: yes;"> </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">我们现在有一个驱动可以支持所有的我们使用的密钥,这使安装变得简单。新的驱动也可以使</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">USB</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">密钥在运行</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">Windows Boot Camp</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">或</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">ParallelsIntel iMacs</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">上也能使用,所以</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">Mac</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">用户可以在他们喜欢的硬件上运行</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">ZEMAX</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-bidi-font-family: Times New Roman; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">你知道吗</span><span lang="EN-US"><font face="Times New Roman">….<p></p></font></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公司提供代客户编程的服务,包括:</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">编写用户定义的序列光学面和非序列物体。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">为定制的计算编写宏和扩展</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">物理光学中多模光束的定义代码</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">用户指定的散射功能,梯度折射率,传递函数,光源等。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">怎样优化</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">?</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">什么是</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">?</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><shapetype id="_x0000_t202" path="m,l,21600r21600,l21600,xe" ospt="202" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><path oconnecttype="rect" gradientshapeok="t"></path></shapetype><shape id="_x0000_s1026" strokecolor="white" type="#_x0000_t202" style="MARGIN-TOP: 31.2pt; Z-INDEX: 1; LEFT: 0px; MARGIN-LEFT: 9pt; WIDTH: 3in; TEXT-INDENT: 0px; POSITION: absolute; HEIGHT: 288.6pt; TEXT-ALIGN: left;"><textbox style="mso-next-textbox: #_x0000_s1026;"><table cellspacing="0" cellpadding="0" width="100%"><tbody><tr><td style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><div><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><shapetype id="_x0000_t75" path="m@4@5l@4@11@9@11@9@5xe" ospt="75" coordsize="21600,21600" stroked="f" filled="f" opreferrelative="t"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><shape id="_x0000_i1025" type="#_x0000_t75" style="WIDTH: 178.5pt; HEIGHT: 2in;"><imagedata otitle="" src="file:///C:\DOCUME~1\Steven\LOCALS~1\Temp\msohtml1\01\clip_image001.emz"></imagedata></shape></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><shape id="_x0000_i1026" type="#_x0000_t75" style="WIDTH: 178.5pt; HEIGHT: 115.5pt;"><imagedata otitle="" src="file:///C:\DOCUME~1\Steven\LOCALS~1\Temp\msohtml1\01\clip_image002.emz"></imagedata></shape></span></p></div></td></tr></tbody></table></textbox><wrap type="square"></wrap></shape><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">即调制传递函数是描述一个光学系统很重要的方法。在成像光学系统中运用傅立叶理论的目的就是让</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">能描述图像中所要观察的空间频率场的对比度。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">位图分析窗口显示了三个孩子的图像的部分,展示了“好的”图像质量:但是好到底是怎样的好法?各种线图像的对比度提供了成像质量的定量数据。</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">描述了物体调制度向图像调制度转化关于空间频率的函数,通常用于指定镜头的性能,设计中的优化以及公差分析目标。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">该镜头的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线显示了一直到该镜头支持的最大空间频率的对比度。显示的参考曲线是有着相同</span><span lang="EN-US"><font face="Times New Roman">f/#</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的零像差衍射受限镜头的性能。一旦你熟悉了</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线,你就可以看一下就能估计成像质量。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">怎样优化</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">?</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">响应是波前差的函数,并且当</span><span lang="EN-US"><font face="Times New Roman">RMS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">波前差趋于零时,</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">接近它的衍射受限性能。因此,默认的</span><span lang="EN-US"><font face="Times New Roman">RMS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">波前评价函数是一个很好的出发点。然后,如果需要对系统性能做最终的调整,你可以转化到外部</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">优化操作数,例如</span><span lang="EN-US"><font face="Times New Roman">MTFA</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">或</span><span lang="EN-US"><font face="Times New Roman">GMTA</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">计算比波前计算花费的时间长,因此初始波前优化是首选。另外,当系统性能不好时,直接的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">优化可能停滞。例如,如果该页上的成像镜头是简单的离焦,</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">可能降为零然后再升高,如下所示。这就是伪分辨率,并可能导致局部优化停滞,因为</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">在它可能变坏之前必须变好。尽管锤优化和全局搜索可以处理这个问题,但最好优化波前差直到所有所需的空间频率在</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线的第一个极小值内。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">衍射和几何</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">计算</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">用一个</span><span lang="EN-US"><font face="Times New Roman">35mmSLR</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">像机镜头在全孔径下成像,</span><span lang="EN-US"><font face="Times New Roman">f/1.8</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">。镜头像差在全孔径时是最大的。在镜头缩小光圈时,像差会减小并且成像质量会提高(例如,光圈缩小</span><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">会将球差缩小</span><span lang="EN-US"><font face="Times New Roman">16</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">倍)。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">成像质量不会一直提高:在孔径的某些设置上,孔径的衍射会阻止成像质量的提高。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">提供了两个</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">计算,称为几何和衍射</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">。(第三个计算,惠更斯</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">超出了本文的范围,但在</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的用户手册上有讨论)。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">使用几何</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的主要优点是在用于大像差系统(例如</span><span lang="EN-US"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">个波数)中,在这种系统中衍射</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">需要很高的采样才能精确计算。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">几何</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">对大像差系统非常精确,甚至能考虑光学面的散射,散射会增加本底照明从而使</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">下降。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">当衍射效应明显示应该使用衍射计算。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的公差分析</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">从波前差开始</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">就像优化一样,最好从波前差开始公差分析。如果你的初始公差太宽松,波前差比直接用</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公差要快,而且更精确。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">最好的,在你开始公差分析之前,打开一个</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线,然后使用公差编辑器中的“覆盖</span><span lang="EN-US"><font face="Times New Roman">MC</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线(</span><span lang="EN-US"><font face="Times New Roman">Overlay MC Plots</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)”开关。当生成蒙特卡洛文件是,</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">会自动覆盖</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线,所以你可以看到性能的变化。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">这对所有的分析功能都有效,不仅仅是</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,它是一个神奇的工具,能获得您想要的公差。例如,如果你需要</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">在</span><span lang="EN-US"><font face="Times New Roman">50</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">周期</span><span lang="EN-US"><font face="Times New Roman">/mm</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">时提高</span><span lang="EN-US"><font face="Times New Roman">40%</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,如图所示,我们原离所需的性能。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">总之,使用波前公差标准和覆盖的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">曲线是开始</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公差分析的好方法。你甚至可以编写一个公差脚本对波前差进行公差分析,但报告最终的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">性能。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">注意,不要限于下拉列表中的公差标准。你可以编写你自己的标准并编写脚本组合多个标准。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">快速,精确的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">计算</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">在公差分析进行时,你需要直接转化到</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公差分析,以尽可能使获得的结果与你在车间测试的结果相近。</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">使用相同的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">操作数进行公差分析和优化。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">在</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的</span><span lang="EN-US"><font face="Times New Roman">2007</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">年</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">月的版本中,我们将</span><span lang="EN-US"><font face="Times New Roman">ZEMAXMTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">操作数的计算时间减少了</span><span lang="EN-US"><font face="Times New Roman">100%</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,在某些情况下更多。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">这可以使你能对双高斯镜头进行完整的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公差分析,有</span><span lang="EN-US"><font face="Times New Roman">100</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">个公差,</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">个视场位置,三个波长并包括严格的补偿器优化,例如,在单</span><span lang="EN-US"><font face="Times New Roman">CPU</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的膝上型电脑上,</span><span lang="EN-US"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">分钟内进行严格的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">分析,每个公差只需</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">秒钟,没有一级近似。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">2007</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">年</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">月版本中的另一个重要功能是</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">中的公差也支持多线程,所以当你的电脑中的</span><span lang="EN-US"><font face="Times New Roman">CPU</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">增多时,公差分析所花的时间减少。</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">支持多达</span><span lang="EN-US"><font face="Times New Roman">16</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">个</span><span lang="EN-US"><font face="Times New Roman">CPU</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">记住</span><span lang="EN-US"><font face="Times New Roman">TOLR<p></p></font></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span lang="EN-US"><font face="Times New Roman">TOLR</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">操作数能很容易指定某一性能作为评价函数的一部分。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">只要设置你的加工公差,然后设置你要的公差步骤。</span><span lang="EN-US"><font face="Times New Roman">TOLR</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">操作数返回归一化的系统性能,期望的性能改变,以及期望的构建镜头性能,所以你可以优化最后的产品而不是设计中的中间步骤。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">最好在设计</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">时先考虑波前差,原因已经讨论过了。然后转换到直接的</span><span lang="EN-US"><font face="Times New Roman">MTF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">公差分析,以设计</span><span lang="EN-US"><font face="Times New Roman">as-builtMTF</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">复杂几何体的创建</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">构建复杂的物体</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><shapetype id="_x0000_t202" path="m,l,21600r21600,l21600,xe" ospt="202" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><path oconnecttype="rect" gradientshapeok="t"></path></shapetype><shape id="_x0000_s1026" strokecolor="white" type="#_x0000_t202" style="MARGIN-TOP: 7.95pt; Z-INDEX: 1; LEFT: 0px; MARGIN-LEFT: 225pt; WIDTH: 187.75pt; TEXT-INDENT: 0px; POSITION: absolute; HEIGHT: 553.8pt; TEXT-ALIGN: left;"><textbox><table cellspacing="0" cellpadding="0" width="100%"><tbody><tr><td style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><div><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><shapetype id="_x0000_t75" path="m@4@5l@4@11@9@11@9@5xe" ospt="75" coordsize="21600,21600" stroked="f" filled="f" opreferrelative="t"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><shape id="_x0000_i1025" type="#_x0000_t75" style="WIDTH: 160.5pt; HEIGHT: 153pt;"><imagedata otitle="" src="file:///C:\DOCUME~1\Steven\LOCALS~1\Temp\msohtml1\01\clip_image001.emz"></imagedata></shape></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><shape id="_x0000_i1026" type="#_x0000_t75" style="WIDTH: 160.5pt; HEIGHT: 84.75pt;"><imagedata otitle="" src="file:///C:\DOCUME~1\Steven\LOCALS~1\Temp\msohtml1\01\clip_image002.emz"></imagedata></shape></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"></span></p></div></td></tr></tbody></table></textbox><wrap type="square"></wrap></shape><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的非序列模式是相当强大的。不同于序列模式使用面去描述光学系统,非序列模式使用的是放在全局坐标系统中的</span><span lang="EN-US"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">维物体。这些物体一般是参数可变的。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">例如,如果你使用了</span><span lang="EN-US"><font face="Times New Roman">Standard Lens</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">物体,它将这些参数:第一个面的曲率半径和圆锥曲线系数、后一面的曲率半径和圆锥曲线系数、厚度、孔径等。这就能使透镜能快速地创建,占用少量的内存,简便地优化等。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">提供了许多内建的物体,例如非球面透镜,全息面,</span><span lang="EN-US"><font face="Times New Roman">CPC</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">等。当有时还需要更加复杂的物体,例如一个内部带有气泡的透镜。</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">提供了许多强大且全面的功能用以操作物体以提供所需的精确外形和光学性能,同时还保留了物体参数可变的性质。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">物体的交叠</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">将两个物体组合的最简单的方法是简单地将它们叠加。例如,要将空气泡置于镜头物体中,只需定义透镜物体,并定义一个由空气组成的球体,将其置于透镜物体中。顶部的图形显示了一个更复杂的情况。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光线追迹是完全非序列的,所以当一个光线到达两个或更多物体交接的区域时,法则很简单:光线将与非序列编辑器中最近指定的物体相交。这能简单快速地定义在其它物体内的物体。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">再例如,如果你在建模人眼,你可以定义一个玻璃球,然后将透镜放在这个玻璃球内。透镜可以是梯度折射率材料。当光线到达透镜时,它们将观测到梯度折射率和透镜面的外形置于一个玻璃球内。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">布尔物体</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">为了能进行更复杂的物体交叠,</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">支持多个物体布尔操作的功能。例如,在中间的一幅图中,我们执行了一个六边形和一个非球面透镜的布尔叠加(逻辑与)操作以生成一个带有六边的透镜。你也可以用这个功能提供简单的类似于</span><span lang="EN-US"><font face="Times New Roman">CAD</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的操作,例如这个透镜支架,通过对一个矩形体和多个柱体执行布尔操作。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">复杂几何体的创建</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">阵列物体</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><shapetype id="_x0000_t202" path="m,l,21600r21600,l21600,xe" ospt="202" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><path oconnecttype="rect" gradientshapeok="t"></path></shapetype><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">阵列(</span><span lang="EN-US"><font face="Times New Roman">Array</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)物体可以使你创建任何先前定义物体的阵列。本文中,我们将举个非球面透镜和一个六面柱形成一个带有六边的非球面透镜,然后用阵列(</span><span lang="EN-US"><font face="Times New Roman">Array</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)物体形成一个</span><span lang="EN-US"><font face="Times New Roman">30x30</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的透镜阵列。你可以创建</span><span lang="EN-US"><font face="Times New Roman">x</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,</span><span lang="EN-US"><font face="Times New Roman">y</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">和</span><span lang="EN-US"><font face="Times New Roman">z</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">方向的阵列,不需要旋转轴。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">六边非球面透镜阵列可以用编辑器中</span><span lang="EN-US"><font face="Times New Roman">900</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">个物体创建,但这将变的不实用,追迹很慢并耗费大量的内存。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">阵列物体的关键好处是它占的内存不会超过父物体,且它追迹的速度比用单独的重复物体定义的相同系统好快好几个数量级。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">如果你在模拟一个微重复结构,例如光增强片(</span><span lang="EN-US"><font face="Times New Roman">BEF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)。它就可以用一个棱镜或金字塔物体在</span><span lang="EN-US"><font face="Times New Roman">x-y</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">网格上复制,如右图所示。</span><span lang="EN-US"><font face="Times New Roman">BEF</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">在模拟一个</span><chmetcnv wst="on" unitname="”" sourcevalue="60" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US"><font face="Times New Roman">60”</font></span></chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的</span><span lang="EN-US"><font face="Times New Roman">TV</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">显示器或一个</span><chmetcnv wst="on" unitname="”" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US"><font face="Times New Roman">3”</font></span></chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的</span><span lang="EN-US"><font face="Times New Roman">PDA</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">显示器时追迹速度相同且使用相同的内存。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">扫场物体(</span><span lang="EN-US"><font face="Times New Roman">Swept Object</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">Swept</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">物体可以使你将先前定义的物体与一个平面相交以获得物体与平面的截面。然后截面可以关于一个人意的点旋转以创建一个新的“</span><span lang="EN-US"><font face="Times New Roman">swep</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">”物体。在本例中,标准透镜扫场形成了一个环状透镜。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光源物体(</span><span lang="EN-US"><font face="Times New Roman">Source Object</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">)</span><span lang="EN-US"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">任意物体可以做成一个光源。在这个红外系统中,蓝和绿的光线代表真实的“信号”,成像到一个探测器上。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">第二个透镜,红色的,由于它的热辐射也会辐射入红外线。透镜物体可以用光源物体很容易地变为光源。这些光线为红色。顶部的红色光线会被光机支架挡住,但记住这些支架也会有温度并且也会辐射。(注意</span><span lang="EN-US"><font face="Times New Roman">CAD</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">物体也可以用光源物体变为光源)。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">底部的红色光线会被元件内的全反射二次成像到探测器上。这个信号不能通过挡掉来消除而是需要仔细的光学设计。只有</span><span lang="EN-US"><font face="Times New Roman">ZEMAX</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">能在同一个软件内给你两种类型的杂散光分析。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"></p></span></span></span>