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</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-37266.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=37266&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-37266.html">kinglaser001</a> </span> </div> <div class="date"><span>发布时间:</span> 2010-8-5 15:29</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 本帖最后由 kinglaser001 于 2010-8-7 14:52 编辑 Nd:YAG激光聚焦后，使用像纸在焦点位置打一脉冲，除中心有一孔外，在孔的中心出现大面积的烧灼光斑，请高人指点一下，此光斑是烧成小孔后发生的衍射？还是聚焦 ...</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_664773" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-75720.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=75720&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-75720.html" target="_blank" class="xi2">dabaorabbit</a><em id="author_664773"> 发表于</em> <span class="xg1 xw0">2010-8-20 13:48:53</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_664773"> 楼主可以用木头取代相纸再实验一次，看看留下来的痕迹会不会有变化</td></tr></table> </div> <div id="comment_664773" class="cm"> </div> <div id="post_rate_div_664773"></div> </div> </dd> </dl> </div> <div id="post_664723" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-11030.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=11030&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-11030.html" target="_blank" class="xi2">橡树</a><em id="author_664723"> 发表于</em> <span class="xg1 xw0">2010-8-20 09:29:11</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_664723"> 长脉冲的聚焦打成这样，看来你的单脉冲能量不是很高阿？在黑色的相纸应该能打出个洞。个人认为图片的现象是正常的，如果你聚焦镜的焦距足够长的话，可以找个钢板打打看。。。如果聚焦镜的焦距短，就不要试了，会打坏聚焦镜的。<img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /></td></tr></table> </div> <div id="comment_664723" class="cm"> </div> <div id="post_rate_div_664723"></div> </div> </dd> </dl> </div> <div id="post_664691" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-37266.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=37266&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-37266.html" target="_blank" class="xi2">kinglaser001</a><em id="author_664691"> 发表于</em> <span class="xg1 xw0">2010-8-19 21:20:52</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_664691"> 可能是我没有说清楚，照片上的光斑是聚焦后打在相纸上的，中间的亮孔是焦点激光打出的洞，我困惑的是为什么在焦点光斑周围出现了那么大的一个光斑呢？<br /> 激光器是不是调Q的，是长脉冲的，激光脉约3-10ms。</td></tr></table> </div> <div id="comment_664691" class="cm"> </div> <div id="post_rate_div_664691"></div> </div> </dd> </dl> </div> <div id="post_664667" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-11030.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=11030&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-11030.html" target="_blank" class="xi2">橡树</a><em id="author_664667"> 发表于</em> <span class="xg1 xw0">2010-8-19 17:00:43</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_664667"> 楼主的激光器是调q的还是自由震荡的？感觉跟模式没太大关系吧。<img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /><img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /></td></tr></table> </div> <div id="comment_664667" class="cm"> </div> <div id="post_rate_div_664667"></div> </div> </dd> </dl> </div> <div id="post_664584" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-2660.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=2660&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-2660.html" target="_blank" class="xi2">ggll</a><em id="author_664584"> 发表于</em> <span class="xg1 xw0">2010-8-19 10:48:54</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_664584"> 上述问题模式不好是一个原因，但是即使是00模，打出来后周围有不均匀地方，除非采用高斯均匀化整形。<br /> 呵呵，<br /> 我们专门设计激光光束整形、均匀化等系统，你可以先了解。<br /> 如有需要帮的地方，请联系<a href="mailto:yaoyaogr@126.com">yaoyaogr@126.com</a><br /> QQ：348035067</td></tr></table> </div> <div id="comment_664584" class="cm"> </div> <div id="post_rate_div_664584"></div> </div> </dd> </dl> </div> <div id="post_663339" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-37266.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=37266&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-37266.html" target="_blank" class="xi2">kinglaser001</a><em id="author_663339"> 发表于</em> <span class="xg1 xw0">2010-8-12 20:41:03</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_663339"> <i class="pstatus"> 本帖最后由 kinglaser001 于 2010-8-12 20:42 编辑 </i><br /> <br /> <strong>回复 <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=663288&ptid=106763" target="_blank"><i>sy2010</i> 的帖子</a></strong><br /> <br /> <br /> 那请问高人，使用何种选模措施才能解决我的问题呢，请多多指教！谢谢！</td></tr></table> </div> <div id="comment_663339" class="cm"> </div> <div id="post_rate_div_663339"></div> </div> </dd> </dl> </div> <div id="post_663288" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-100240.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=100240&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-100240.html" target="_blank" class="xi2">sy2010</a><em id="author_663288"> 发表于</em> <span class="xg1 xw0">2010-8-12 16:41:05</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_663288"> 高阶模造成的，选模措施不够<br /> </td></tr></table> </div> <div id="comment_663288" class="cm"> </div> <div id="post_rate_div_663288"></div> </div> </dd> </dl> </div> <div id="post_662115" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-115982.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=115982&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-115982.html" target="_blank" class="xi2">bg7pzc</a><em id="author_662115"> 发表于</em> <span class="xg1 xw0">2010-8-7 09:52:01</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_662115"> 看起来是模不对，不知你是不是需要出01模？</td></tr></table> </div> <div id="comment_662115" class="cm"> </div> <div id="post_rate_div_662115"></div> </div> </dd> </dl> </div> <div id="post_661899" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-50282.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=50282&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-50282.html" target="_blank" class="xi2">xbdxwm</a><em id="author_661899"> 发表于</em> <span class="xg1 xw0">2010-8-6 09:53:32</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_661899"> 能量高时激光模式不好，能量低时可能就是基膜了</td></tr></table> </div> <div id="comment_661899" class="cm"> </div> <div id="post_rate_div_661899"></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 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