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$('recommendv_add').innerHTML + ' 人支持'"><i><img src="static/image/common/rec_add.gif" alt="支持" />支持<span id="recommendv_add">0</span></i></a> <a id="recommend_subtract" href="forum.php?mod=misc&action=recommend&do=subtract&tid=305330&hash=9876c9eb" onclick="showWindow('login', this.href)" onmouseover="this.title = $('recommendv_subtract').innerHTML + ' 人反对'"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-7248.html">slyz</a> </span> </div> <div class="date"><span>发布时间:</span> 2017-7-23 18:28</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 本帖最后由 slyz 于 2017-7-23 18:37 编辑 近期做了一些4英寸菲索干涉仪标准镜头关键技术研究，发个贴子，与大家讨论，也希望相关领域的大侠们多多批评指正。 </p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1728837" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1968.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank" class="xi2">ds1234567</a><em id="author_1728837"> 发表于</em> <span class="xg1 xw0">2022-3-20 19:19:32</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1728837"> pv=1/100，这个难度很大，能做很不容易。是3面法检验吗？</td></tr></table> </div> <div id="comment_1728837" class="cm"> </div> <div id="post_rate_div_1728837"></div> </div> </dd> </dl> </div> <div id="post_1715806" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715806"> 发表于</em> <span class="xg1 xw0">2018-12-28 20:34:52</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715806"> <i class="pstatus"> 本帖最后由 slyz 于 2019-2-1 20:49 编辑 </i><br /> <br /> 这个 是标准面；包括凹面，凸面，平面。其面形精度为PV 1/20到1/100。跟其半径，口径等指标相关。<br /> 我们曾做过6英寸，PV 1/100的标准平面。</td></tr></table> </div> <div id="comment_1715806" class="cm"> </div> <div id="post_rate_div_1715806"></div> </div> </dd> </dl> </div> <div id="post_1715757" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1968.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank" class="xi2">ds1234567</a><em id="author_1715757"> 发表于</em> <span class="xg1 xw0">2018-12-26 21:28:35</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715757"> 谢谢你的解答，有些问题我需要慢慢理解。我曾记得系统有一块精度λ/50，凹面微晶标准镜，是用于测量出射光的精度，可我没有说明书，不知道有没有这块玻璃。<br /> </td></tr></table> </div> <div id="comment_1715757" class="cm"> </div> <div id="post_rate_div_1715757"></div> </div> </dd> </dl> </div> <div id="post_1715672" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715672"> 发表于</em> <span class="xg1 xw0">2018-12-21 20:01:58</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715672"> 特定的测量条件下，慧差、像散也可以放宽。</td></tr></table> </div> <div id="comment_1715672" class="cm"> </div> <div id="post_rate_div_1715672"></div> </div> </dd> </dl> </div> <div id="post_1715671" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715671"> 发表于</em> <span class="xg1 xw0">2018-12-21 19:48:24</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715671"> <i class="pstatus"> 本帖最后由 slyz 于 2018-12-21 20:23 编辑 </i><br /> <br /> 总的来说，<br /> 波前PV优于一个波长 ，畸变优于0.2%，再把慧差，像散，球差控制一下。<br /> 镜头自身的系统误差，小于0.1nm rms，普通检测就够用了。<br /> 由于回程误差太小了，所以目前我感觉是，理论上好像（也许，可能）无法等到定量解，只能通过设计，才能计算出它的回程误差。<br /> 比如我设计了2个相同参数的镜头，口径，F数，参考面。<br /> 但畸变不同<br /> 将它们的波前，调到接近。此时，测量同一个元件，系统误差是不一样的！<br /> 最近就研究到这了<br /> <br /> <br /> </td></tr></table> </div> <div id="comment_1715671" class="cm"> </div> <h3 class="psth xs1"><span class="icon_ring vm"></span>评分</h3> <dl id="ratelog_1715671" class="rate"> <dd style="margin:0"> <div id="post_rate_1715671"></div> <table class="ratl"> <tr> <th class="xw1" width="120"><a href="http://bbs.oecr.com/forum.php?mod=misc&action=viewratings&tid=305330&pid=1715671" onclick="showWindow('viewratings', this.href)" title="查看全部评分"> 参与人数 <span class="xi1">1</span></a></th><th class="xw1" width="80">光电贝 <i><span class="xi1">+2</span></i></th> <th> <a href="javascript:;" onclick="toggleRatelogCollapse('ratelog_1715671', this);" class="y xi2 op">收起</a> <i class="txt_h">理由</i> </th> </tr> <tbody class="ratl_l"><tr id="rate_1715671_1968"> <td> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank">ds1234567</a> </td><td class="xi1"> + 2</td> <td class="xg1">非常给力</td> </tr> </tbody> </table> <p class="ratc"> <a href="http://bbs.oecr.com/forum.php?mod=misc&action=viewratings&tid=305330&pid=1715671" onclick="showWindow('viewratings', this.href)" title="查看全部评分" class="xi2">查看全部评分</a> </p> </dd> </dl> </div> </dd> </dl> </div> <div id="post_1715670" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715670"> 发表于</em> <span class="xg1 xw0">2018-12-21 19:43:41</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715670"> <i class="pstatus"> 本帖最后由 slyz 于 2018-12-21 19:50 编辑 </i><br /> <br /> 但它膨胀引起的波前变化，是不大的。用在4英寸镜头里，可以忽略其影响。 不过15-30 范围是好宽啊，我们一般只考虑了20-23的范围.<br /> 美国和日本一些公司，做的镜头，其波前也不是很好，有的达到了2-3波长，但对于普通的检测精度，基本都够用。</td></tr></table> </div> <div id="comment_1715670" class="cm"> </div> <div id="post_rate_div_1715670"></div> </div> </dd> </dl> </div> <div id="post_1715669" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715669"> 发表于</em> <span class="xg1 xw0">2018-12-21 19:40:16</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715669"> BK7 是目前能买到的大口径（6英寸，或更大），均匀性还很好的光学材料，所以做大个的标准镜，可以选择用它。</td></tr></table> </div> <div id="comment_1715669" class="cm"> </div> <div id="post_rate_div_1715669"></div> </div> </dd> </dl> </div> <div id="post_1715668" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-7248.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=7248&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-7248.html" target="_blank" class="xi2">slyz</a><em id="author_1715668"> 发表于</em> <span class="xg1 xw0">2018-12-21 19:38:35</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715668"> <img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /></td></tr></table> </div> <div id="comment_1715668" class="cm"> </div> <div id="post_rate_div_1715668"></div> </div> </dd> </dl> </div> <div id="post_1715541" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1968.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank" class="xi2">ds1234567</a><em id="author_1715541"> 发表于</em> <span class="xg1 xw0">2018-12-16 11:00:30</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715541"> 说错误有些不当，应当是不足。不足之处就是BK7热膨胀系数过高，导致上面20到22度温度变化，对系统影响很大。石英玻璃热膨胀系数5.4×10E-7，BK7是71×10E-7。zygo干涉仪GPI-XP的“操作环境：温度：15° to 30℃”。<br /> <br /> </td></tr></table> </div> <div id="comment_1715541" class="cm"> </div> <div id="post_rate_div_1715541"></div> </div> </dd> </dl> </div> <div id="post_1715298" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1968.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank" class="xi2">ds1234567</a><em id="author_1715298"> 发表于</em> <span class="xg1 xw0">2018-12-1 08:29:32</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715298"> 假如透射波前那么不敏感，你设计的系统RMS就应当很高你，PV值也会很高。我发现你的系统有致命错误。</td></tr></table> </div> <div id="comment_1715298" class="cm"> </div> <div id="post_rate_div_1715298"></div> </div> </dd> </dl> </div> <div id="post_1715270" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1968.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1968&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1968.html" target="_blank" class="xi2">ds1234567</a><em id="author_1715270"> 发表于</em> <span class="xg1 xw0">2018-11-29 22:01:21</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1715270"> 左等不来，右等也不来，没事，我等你。</td></tr></table> </div> <div id="comment_1715270" class="cm"> </div> <div id="post_rate_div_1715270"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img 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