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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">消色差切割透镜的应用简介 </h1> <p class="xg1"> 时间：2016-5-18 09:33<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(2102)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4411&idtype=aid" title="查看全部评论"><em id="_commentnum">6</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>越来越多的激光切割的雕刻标记系统采用视觉系统，同步观察激光的工作效果。以往的激光切割透镜不具备消色差的功能，这样观察用的光线和激光工作波长不一致，两者的焦点不重合，这给视觉系统带来很大不便。而消色差的 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div>越来越多的<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>切割的雕刻标记系统采用视觉系统，同步观察激光的工作效果。以往的激光切割透镜不具备消色差的功能，这样观察用的光线和激光工作波长不一致，两者的焦点不重合，这给视觉系统带来很大不便。而消色差的镜头可以使两束光线的焦点重合，使得观察效果直接清晰。下面是一个常见的消色差镜头和CCD视觉系统运用的实际例子。 </div><div><br></div><div>激光1064nm通过两面抛光的反射镜折射到下部，经过聚焦作用在工件上。可见光通过反射镜透射到上部，经过relay透镜将工件聚焦，经过一个CCD的可调物镜将工件成像在CCD的焦面上。</div><div style="text-align: center;"><p><a href="data/attachment/portal/201605/18/092251jjqxxxwixoje1i9q.jpg" target="_blank"><img src="data/attachment/portal/201605/18/092251jjqxxxwixoje1i9q.jpg"></a></p><p><a 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c="1">24122650</a> <span class="xg1 xw0">2016-5-19 09:26</span> </dt> <dd>转发微博</dd> </dl><a name="comment_anchor_6152"></a> <dl id="comment_6152_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(6152, '4411');">引用</a> </span> <a href="http://club.oecr.com/space-uid-87016.html" class="xi2 xw1" c="1">wgjgh</a> <span class="xg1 xw0">2016-5-18 22:21</span> </dt> <dd>锄禾日当午，发帖真辛苦。谁知坛中餐，帖帖皆辛苦！</dd> </dl><a name="comment_anchor_6145"></a> <dl id="comment_6145_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(6145, '4411');">引用</a> </span> <a href="http://club.oecr.com/space-uid-32828.html" class="xi2 xw1" c="1">wstong</a> <span class="xg1 xw0">2016-5-18 18:51</span> </dt> <dd>1000个光电贝才能买到VIP。</dd> </dl><a name="comment_anchor_6142"></a> <dl id="comment_6142_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(6142, '4411');">引用</a> </span> <a href="http://club.oecr.com/space-uid-70683.html" class="xi2 xw1" c="1">hansentian</a> <span class="xg1 xw0">2016-5-18 17:21</span> </dt> <dd>好帖必须得顶起</dd> </dl><a name="comment_anchor_6140"></a> <dl id="comment_6140_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(6140, '4411');">引用</a> </span> <a href="http://club.oecr.com/space-uid-38604.html" class="xi2 xw1" c="1">milla_la</a> <span class="xg1 xw0">2016-5-18 16:21</span> </dt> <dd>光学测量好难啊。</dd> </dl><a name="comment_anchor_6139"></a> <dl id="comment_6139_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(6139, '4411');">引用</a> </span> <a href="http://club.oecr.com/space-uid-85857.html" class="xi2 xw1" c="1">xiaozhineng</a> <span class="xg1 xw0">2016-5-18 15:51</span> </dt> <dd>确实不错，顶先</dd> 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href="http://www.oecr.com/portal.php?mod=view&aid=2977" target="_blank"><img src="data/attachment/block/44/448ec87b6597df26d4ce8d6cd2ffabf1.jpg" width="100" height="66" alt="量子态隐形传输创新纪录" /></a></dd> <dd class="sum">维也纳大学和奥地利科学院的物理学家实现了量子态隐形传输最远距离——143公里，创造了新的世界纪录。该实验向基于卫星的量子通</dd> </dl></div></div></div></div></div></div><!--[/diy]--> </div> <div class="bm" style="display:none;"> <div class="bm_h cl"> <h2>相关分类</h2> </div> <div class="bm_c"> <ul class="xl xl2 cl"><li><a href="http://news.oecr.com/news/dynamic/">行业动态</a></li> <li><a href="http://news.oecr.com/news/science/">科技新知</a></li> <li><a href="http://news.oecr.com/news/talent/">行业人物</a></li> <li><a href="http://news.oecr.com/news/exhibition/">会展会议</a></li> <li><a href="http://news.oecr.com/news/technology/">技术百科</a></li> <li><a href="http://news.oecr.com/news/popularscience/">光电科普</a></li> </ul> </div> </div> <div class="drag"> <!--[diy=diyada]--><div id="diyada" class="area"></div><!--[/diy]--> <!--[diy=wd_new_t02]--><div 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