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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=107732" 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">0</span></i></a> <a id="recommend_add" href="forum.php?mod=misc&action=recommend&do=add&tid=107732&hash=a78132fe" 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=107732&hash=a78132fe" 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-702.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=702&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-702.html">badan</a> </span> </div> <div class="date"><span>发布时间:</span> 2010-8-31 13:26</div> <div class="album_info"> <h3>正文摘要: </h3> <p>公司一台激光切割机，两个方向的切割质量差异较大，我们首先想到的是激光器的偏振态的影响，因此就想检测一下该激光器的偏振态。 开始我们试过用布鲁斯特片来检验，最终失败了，考虑到实验条件简陋，很多干扰因素 ...</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_682180" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-65503.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=65503&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-65503.html" target="_blank" class="xi2">甘1</a><em id="author_682180"> 发表于</em> <span class="xg1 xw0">2010-11-4 15:10:48</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_682180"> 哇塞，你们都好高深哦</td></tr></table> </div> <div id="comment_682180" class="cm"> </div> <div id="post_rate_div_682180"></div> </div> </dd> </dl> </div> <div id="post_670607" 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_670607"> 发表于</em> <span class="xg1 xw0">2010-9-22 01:48:49</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_670607"> 偏振态的影响应该不会特别大，印象中好像在亚微米尺度。<br /> 会不会是光束质量或聚焦透镜组导致的聚焦质量问题？或者是移动平台本身的颤动问题？<br /> 是否用原位烧蚀先观测一下样品的烧蚀孔/坑形貌，以确定聚焦质量是否有问题呢？<br /> 另：YAGi激光器的输出偏振态应该有标注或说明，光纤激光器的俺不知道。</td></tr></table> </div> <div id="comment_670607" class="cm"> </div> <div id="post_rate_div_670607"></div> </div> </dd> </dl> </div> <div id="post_670550" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-117215.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=117215&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-117215.html" target="_blank" class="xi2">r水手</a><em id="author_670550"> 发表于</em> <span class="xg1 xw0">2010-9-21 16:26:21</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_670550"> 用功率计啊～～～～又不贵的～～～～～或者照在1064的倍频测纸 上，用肉眼观察</td></tr></table> </div> <div id="comment_670550" class="cm"> </div> <div id="post_rate_div_670550"></div> </div> </dd> </dl> </div> <div id="post_666816" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-702.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=702&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-702.html" target="_blank" class="xi2">badan</a><em id="author_666816"> 发表于</em> <span class="xg1 xw0">2010-8-31 21:47:46</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_666816"> 你是指的自动增益吗？如果是的话，应该能看到调整增益的过程，实际情况是，没任何变化。</td></tr></table> </div> <div id="comment_666816" class="cm"> </div> <div id="post_rate_div_666816"></div> </div> </dd> </dl> </div> <div id="post_666746" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-1427.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=1427&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-1427.html" target="_blank" class="xi2">ciomwy</a><em id="author_666746"> 发表于</em> <span class="xg1 xw0">2010-8-31 13:36:09</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_666746"> <i class="pstatus"> 本帖最后由 ciomwy 于 2010-8-31 17:32 编辑 </i><br /> <br /> 手机的镜头芯片模组一般都做测光设计了，根据光强的不同来设置不同的灵敏度（类似感光度），这样，即使激光强度变化了，看到的现象变化也不大，图像的亮度差不多，这样测量是不准确的，建议还是用激光功率计进行测量。</td></tr></table> </div> <div id="comment_666746" class="cm"> </div> <div id="post_rate_div_666746"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" 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