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onmouseover="this.title = $('sharenumber').innerHTML + ' 人分享'"><i><img src="static/image/common/oshr.png" alt="分享" />分享<span id="sharenumber">0</span></i></a> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=favorite&type=thread&id=84474" id="k_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" onmouseover="this.title = $('favoritenumber').innerHTML + ' 人收藏'"><i><img src="static/image/common/fav.gif" alt="收藏" />收藏<span id="favoritenumber">1</span></i></a> <a id="recommend_add" href="forum.php?mod=misc&action=recommend&do=add&tid=84474&hash=0d85c72e" onclick="showWindow('login', this.href)" onmouseover="this.title = $('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=84474&hash=0d85c72e" 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-35699.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=35699&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-35699.html">watermoon</a> </span> </div> <div class="date"><span>发布时间:</span> 2009-3-22 13:43</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 本帖最后由 watermoon 于 2009-3-22 14:01 编辑 我做激光的光纤耦合输出，然后用聚焦头按一定比例在某工作距离下成像聚焦，进行加工。 目前遇到的问题是： 由于光纤耦合会降低原本光束的光束质量，从而使得工作 ...</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_816060" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-124480.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=124480&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-124480.html" target="_blank" class="xi2">rubberai</a><em id="author_816060"> 发表于</em> <span class="xg1 xw0">2011-5-27 17:53:39</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_816060"> 都是大師級的論點!!</td></tr></table> </div> <div id="comment_816060" class="cm"> </div> <div id="post_rate_div_816060"></div> </div> </dd> </dl> </div> <div id="post_810327" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-90507.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=90507&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-90507.html" target="_blank" class="xi2">optro</a><em id="author_810327"> 发表于</em> <span class="xg1 xw0">2011-5-15 06:55:03</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_810327"> 哈哈，<br /> 有趣有趣。</td></tr></table> </div> <div id="comment_810327" class="cm"> </div> <div id="post_rate_div_810327"></div> </div> </dd> </dl> </div> <div id="post_810310" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-116112.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=116112&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-116112.html" target="_blank" class="xi2">wangyuyuan1027</a><em id="author_810310"> 发表于</em> <span class="xg1 xw0">2011-5-15 01:43:20</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_810310"> 唉我们都很纠结。。。</td></tr></table> </div> <div id="comment_810310" class="cm"> </div> <div id="post_rate_div_810310"></div> </div> </dd> </dl> </div> <div id="post_536492" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-62561.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=62561&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-62561.html" target="_blank" class="xi2">seayu</a><em id="author_536492"> 发表于</em> <span class="xg1 xw0">2009-3-26 22:48:45</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536492"> 我也遇到了这样的问题<br /> 我是用光纤耦合输出，用于切割，目前光纤耦合较好，但是切割质量较差（切缝宽、锥度大）。光纤输出后准直、聚焦，我是通过几何光学成像来计算焦斑大小的。这样，我觉得在聚焦透镜焦距一定的前提下，只要使聚焦镜片上的光斑尺寸减小就能使焦深增加；但是，要获得小焦斑，在聚焦透镜焦距相同时，准直镜头的焦距就要增加，这样就增加了聚焦镜片上的光斑尺寸……唉，焦斑和焦深就是一对矛盾啊。我现在想通过成像在非焦平面的方法来获得一个折中的参数，还没有出结果呢。请大家指正！</td></tr></table> </div> <div id="comment_536492" class="cm"> </div> <div id="post_rate_div_536492"></div> </div> </dd> </dl> </div> <div id="post_536486" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-78077.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=78077&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-78077.html" target="_blank" class="xi2">rose2004</a><em id="author_536486"> 发表于</em> <span class="xg1 xw0">2009-3-26 22:00:34</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536486"> 哈哈，好玩，居然有人叫大胡子：伯伯</td></tr></table> </div> <div id="comment_536486" class="cm"> </div> <div id="post_rate_div_536486"></div> </div> </dd> </dl> </div> <div id="post_536484" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10316.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10316&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xi2">再也不能这样</a><em id="author_536484"> 发表于</em> <span class="xg1 xw0">2009-3-26 21:56:45</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536484"> <i class="pstatus"> 本帖最后由 再也不能这样 于 2009-3-26 22:08 编辑 </i><br /> <div class="quote"><blockquote> 1# watermoon <br /> <br /> 胡子，你没戏啦，哈哈哈<br /> 成本增加<br /> <font size="2"><font color="#999999">Femtosecond 发表于 2009-3-26 08:44</font> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=536175&ptid=84474" target="_blank"><img id="aimg_tzH2L" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font></blockquote></div><br /> <br /> Femtosecond兄真是不错。有没有更详细的数据证实聚焦光斑尺寸和焦深同时得到改善？这玩艺儿有得卖吗？</td></tr></table> </div> <div id="comment_536484" class="cm"> </div> <div id="post_rate_div_536484"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[536484] = ['tzH2L']; attachimggroup(536484); </script> </div> <div id="post_536430" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-86069.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=86069&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-86069.html" target="_blank" class="xi2">色猫</a><em id="author_536430"> 发表于</em> <span class="xg1 xw0">2009-3-26 18:49:44</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536430"> ！！！！！！！！！！！！~~~~~~~~~~~~~<br /> 大胡子伯伯~~~~这都是你自找滴哦</td></tr></table> </div> <div id="comment_536430" class="cm"> </div> <div id="post_rate_div_536430"></div> </div> </dd> </dl> </div> <div id="post_536182" 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_536182"> 发表于</em> <span class="xg1 xw0">2009-3-26 09:08:06</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536182"> <i class="pstatus"> 本帖最后由 dabaorabbit 于 2009-3-26 09:32 编辑 </i><br /> <br /> 哈哈哈哈哈，楼上的太搞笑啦，在公司里面就得看成本说话啦，不过，对胡子的激光器和光纤耦合很感兴趣，亮一下你的参数呗，用来干什么用啊？切割还是焊接？</td></tr></table> </div> <div id="comment_536182" class="cm"> </div> <div id="post_rate_div_536182"></div> </div> </dd> </dl> </div> <div id="post_536175" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-67402.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=67402&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-67402.html" target="_blank" class="xi2">Femtosecond</a><em id="author_536175"> 发表于</em> <span class="xg1 xw0">2009-3-26 08:44:45</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536175"> <strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=535068&ptid=84474" target="_blank">1#</a> <i>watermoon</i> </strong><br /> <br /> 胡子，你没戏啦，哈哈哈<br /> 成本增加<￥1000的解决办法我只替你想到了一个：那就是我给你设计个非球面镜，你自己动手磨吧<img src="static/image/smiley/default/lol.gif" smilieid="12" border="0" alt="" /> <br /> 球面：<br /> <ignore_js_op> <img id="aimg_39349" aid="39349" src="static/image/common/none.gif" zoomfile="data/attachment/forum/month_0903/0903260844c810abd1aec58b6a.jpg" file="data/attachment/forum/month_0903/0903260844c810abd1aec58b6a.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="98" id="aimg_39349" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_39349_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>spherical.JPG</strong> <em class="xg1">(80.47 KB, 下载次数: 35)</em></p> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=MzkzNDl8MDA1ZjY5YjN8MTc2NjUxODQ4OXwwfDg0NDc0&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_39349" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=39349&handlekey=savephoto_39349">保存到相册</a> </p> <p class="xg1 y">2009-3-26 08:44 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> <br /> 椭球a：<br /> <ignore_js_op> <img id="aimg_39350" aid="39350" src="static/image/common/none.gif" zoomfile="data/attachment/forum/month_0903/0903260844c00fcd190fda89bc.jpg" file="data/attachment/forum/month_0903/0903260844c00fcd190fda89bc.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="98" id="aimg_39350" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_39350_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>elliptal1.JPG</strong> <em class="xg1">(68.11 KB, 下载次数: 29)</em></p> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=MzkzNTB8NWQ5NmVlZTR8MTc2NjUxODQ4OXwwfDg0NDc0&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_39350" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=39350&handlekey=savephoto_39350">保存到相册</a> </p> <p class="xg1 y">2009-3-26 08:44 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> <br /> 椭球b：<br /> <ignore_js_op> <img id="aimg_39351" aid="39351" src="static/image/common/none.gif" zoomfile="data/attachment/forum/month_0903/09032608447f46f5d8f39ba83b.jpg" file="data/attachment/forum/month_0903/09032608447f46f5d8f39ba83b.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="98" id="aimg_39351" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_39351_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>elliptal2.JPG</strong> <em class="xg1">(87.54 KB, 下载次数: 29)</em></p> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=MzkzNTF8ZjA2NDFlMTN8MTc2NjUxODQ4OXwwfDg0NDc0&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_39351" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=39351&handlekey=savephoto_39351">保存到相册</a> </p> <p class="xg1 y">2009-3-26 08:44 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> </td></tr></table> </div> <div id="comment_536175" class="cm"> </div> <div id="post_rate_div_536175"></div> </div> </dd> </dl> <script type="text/javascript" reload="1"> aimgcount[536175] = ['39349','39350','39351']; attachimggroup(536175); </script> </div> <div id="post_536069" 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_536069"> 发表于</em> <span class="xg1 xw0">2009-3-25 16:50:26</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536069"> 楼上的300W的固体激光器在哪里搞的啊？？？眼馋啊，嘿嘿............</td></tr></table> </div> <div id="comment_536069" class="cm"> </div> <div id="post_rate_div_536069"></div> </div> </dd> </dl> </div> <div id="post_536032" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-32921.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=32921&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-32921.html" target="_blank" class="xi2">syanzi</a><em id="author_536032"> 发表于</em> <span class="xg1 xw0">2009-3-25 14:31:52</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_536032"> 我曾经做过一个试验,不知对你是否有帮助,用的是300W固体激光器,加扩束和不加扩束,加扩束后光斑会变小,不加扩束后光斑会大一点.还有个问题,你的扩束加在什么位置?是加在耦合前面吗?</td></tr></table> </div> <div 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