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value="http://forum.oecr.com/plugin.php?id=attachcenter:page&aid=30426" size="50" /></p> </div> <div class="bm"> <div class="bm_c xld"> <b>求助5W连续紫外266nm激光器。:</b><div class="postmsg">大家来看看5W的连续的266nm紫外激光器，很牛，是用外腔谐振法做的，但是对于外腔谐振法我不是很明白，以前也没有接触过相关方面的东西，现将该文献传上来大家讨论一下。非常感谢大家参与讨论！</div> <div class="postmsg"><div class="quote"><blockquote>原帖由 <i>EinsteinDirac</i> 于 2008-8-25 14:21 发表 <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=475105&ptid=74087" target="_blank"><img id="aimg_Sr1v1" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a><br /> 大家来看看5W的连续的266nm紫外激光器，很牛，是用外腔谐振法做的，但是对于外腔谐振法我不是很明白，以前也没有接触过相关方面的东西，现将该文献传上来大家讨论一下。非常感谢大家参与讨论！ </blockquote></div><br /> 嗯，我来讨论了。。。。<br /> 不知道要讨论什么？<br /> 外腔法原理也很简单啊，就是模式匹配和频率共振，就这。</div> <div class="postmsg">有空时拜读一下。谢谢EinsteinDirac！！！！！！！！！！！！！！！！！！1</div> <div class="postmsg">看看再说了.<img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /> <img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /> <img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /> <img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /></div> <div class="postmsg"><div class="quote"><blockquote>原帖由 <i>watermoon</i> 于 2008-8-25 16:15 发表 <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=475184&ptid=74087" target="_blank"><img id="aimg_AZI13" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a><br /> <br /> 嗯，我来讨论了。。。。<br /> 不知道要讨论什么？<br /> 外腔法原理也很简单啊，就是模式匹配和频率共振，就这。 </blockquote></div><br /> 你好，大胡子兄，请问外腔发的耦合镜最佳耦合透过率Tc是如何选择的？谢谢你的讨论！</div> <div class="postmsg">我看文献上一般的耦合透过率Tc在1%-5%之间，那岂不是很多的基频光都没有耦合到外谐振腔里去，而是在耦合镜处都被反射掉了，那不是浪费了很多的能量？谢谢指教！</div> <div class="postmsg">我公司代理一家德国公司的266nm深紫外全固态激光器<br /> <br /> 参数发给大家看看。<br /> <br /> 回复不能发附件？？？</div> <div class="postmsg">看看再说，这么大功率用来干什么呢/</div> <div class="postmsg">这不就是大阪大学做的那个大功率紫外激光器嘛，可连续工作50小时，倍频晶体CLBO，用来刻DVD的。外腔谐振99年国内就有报道了</div> <div class="postmsg">出售CLBO晶体，266专用。需要的联系我呀13269709962。</div> <div class="postmsg"><div class="quote"><blockquote>原帖由 <i>kaka</i> 于 2008-9-1 09:32 发表 <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=476690&ptid=74087" target="_blank"><img id="aimg_bx5Rs" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a><br /> 出售CLBO晶体，266专用。需要的联系我呀13269709962。 </blockquote></div><br /> 我想用，但是它的潮解问题不知道怎么解决？？</div> <div class="postmsg">针对CLBO晶体的潮解开裂问题,在CLBO倍频器工作和存放时,采用恒温加热套管保护,有效地防止了晶体的潮解开裂.</div> <div class="postmsg">相关资源<a href="http://scholar.ilib.cn/Abstract.aspx?A=rgjtxb98200402001" target="_blank">http://scholar.ilib.cn/Abstract.aspx?A=rgjtxb98200402001</a></div> <div class="postmsg"><div class="quote"><blockquote>原帖由 <i>kaka</i> 于 2008-9-1 10:13 发表 <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=476717&ptid=74087" target="_blank"><img id="aimg_ZpKP7" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a><br /> 针对CLBO晶体的潮解开裂问题,在CLBO倍频器工作和存放时,采用恒温加热套管保护,有效地防止了晶体的潮解开裂. </blockquote></div><br /> 恒温加热套管，你卖晶体带这个东西么？</div> <div class="postmsg">国内的的266现在能做到哪个级别呀？</div> <div class="postmsg">楼主，你确定5W是国外最高吗？我这里有12.2W的文献，其中1064~532光光转化效率88%，1064~266大于50%，我是菜鸟，渴望与高手交流，我的QQ是35554542 希望你能与我联系 谢谢</div> <div class="postmsg">利用ｐｚｔ精确控制腔长，让基波和倍频波在腔内共振。</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546099&ptid=74087" target="_blank">21#</a> <i>jiangdi0000</i> </strong><br /> <br /> <br /> 你说的应该是脉冲的吧，我说的是连续的266nm</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546111&ptid=74087" target="_blank">22#</a> <i>linjipeng</i> </strong><br /> <br /> 你好，关键是我不太明白往外腔耦合的时候那个耦合镜的透过率才5%，那不是有95%的光没有耦合进去？那不是被反射掉了？这部分光相当于浪费了能量啊！</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546134&ptid=74087" target="_blank">23#</a> <i>EinsteinDirac</i> </strong><br /> <br /> <br /> 个人认为，我看的文献是连续的</div> <div class="postmsg">不是这样的,个人觉得,即使f-p谐振腔两个镜面都是高反,通过精密调节腔长,一样能把功率注入谐振腔.<br /> 以直线腔为例，只要在边界条件处,第一面镜子的反射波和第二面镜子的反射波相消，那么根据能量守恒原理，入入射的能量就全部进入谐振腔。所以才需要用ｐｚｔ精密调节腔长。用ｐｉｎ监控进入腔内的功率。<br /> 是一个反馈控制过程。</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546438&ptid=74087" target="_blank">26#</a> <i>linjipeng</i> </strong><br /> <br /> <br /> 有道理<img src="static/image/smiley/default/em34.gif" smilieid="63" border="0" alt="" /> <img src="static/image/smiley/default/em34.gif" smilieid="63" border="0" alt="" /> <img src="static/image/smiley/default/em34.gif" smilieid="63" border="0" alt="" /> <img src="static/image/smiley/default/em25.gif" smilieid="54" border="0" alt="" /></div> <div class="postmsg">我有一些相关的文献,如果需要可以提供.</div> <div class="postmsg">我对CLBO比较感兴趣，能发一份资料吗？</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546881&ptid=74087" target="_blank">29#</a> <i>linjipeng</i> </strong><br /> <br /> 谢谢提供</div> <div class="postmsg"><strong> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=546134&ptid=74087" target="_blank">23#</a> <i>EinsteinDirac</i> </strong><br /> <br /> <br /> 看看这个夸张的转化效率吧！</div> <div class="postmsg"><div class="quote"><blockquote> 23# EinsteinDirac <br /> <br /> <br /> 看看这个夸张的转化效率吧！<br /> <font size="2"><font color="#999999">jiangdi0000 发表于 2009-5-9 19:42</font> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=550129&ptid=74087" target="_blank"><img id="aimg_J0d3K" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a></font></blockquote></div><br /> <br /> 看看。谢谢jiangdi0000。。。。。。。。。。。。。。。。。。。。</div> <div class="postmsg">范老师 李老师 这个夸张吗 我头一次看到这么高的，我英语不太好 这次我没看错吧</div> <div class="postmsg">光纤放大＋ｐｏｕｎｄ－ｄｒｅｖｅｒ－Ｈａｌｌ外腔锁频，这样的转换效率是比较高。</div> <div class="postmsg">266nm 5W连续紫外激光器用在那些领域？<br /> 我想工业上应该几乎用不到。</div> <div class="postmsg"><i class="pstatus"> 本帖最后由 zemax 于 2009-5-31 05:06 编辑 </i><br /> <div class="quote"><blockquote>我看文献上一般的耦合透过率Tc在1%-5%之间，那岂不是很多的基频光都没有耦合到外谐振腔里去，而是在耦合镜处都被反射掉了，那不是浪费了很多的能量？谢谢指教！<br /> <font size="2"><font color="#999999">EinsteinDirac 发表于 2008-8-25 18:55</font> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=475227&ptid=74087" target="_blank"><img id="aimg_epaEA" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a></font></blockquote></div><br /> 这种外腔谐振，利用的是F-P腔的共振原理。简单的说是，耦合进外谐振腔的光，在腔内每走一个周期都是同相的，它们相干叠加后就会增强，所以<br /> 耦合透过率越小，外谐振腔的Q值越高，腔内的功率密度就会更大，与入射的激光关系为<br /> P_inside/P_input=1/T, 也就是说1%的耦合率，腔内的光场是入射的100倍。<br /> 共振条件下，入射光在耦合反射镜处是没有反射的，原因就是腔内光场在耦合反射镜处的透射和入射光场的反射正好满足大小相等，位相相反，抵消掉了。<br /> <br /> 当然，这种东西的条件是苛刻的，主要是<br /> 1. 入射光要是单纵模，窄线宽，并且外腔的Q值越高，线宽要求越窄。<br /> 2. 外谐振腔必须有腔长补偿机构，一般是有一个镜子在压电陶瓷上面，文章中是镜子M4. <br /> 3. 除耦合镜外，腔内的损耗要严格控制，各反射镜的反射率都应做到99.9%以上。<br /> 这里，第一条是最难的了，所以一般是根据第一条来确定其他的合适的参数。<br /> 具体理论，强烈推荐楼主阅读 A. E. Siegman, Lasers, Page 413-P419.<br /> 关于腔内光场在输入耦合镜处的透射波和入射光场在此处的反射波的位相关系的分析，可以阅读<br /> Max Born, Emil Wolf, Principles of optics, 7th edition, Page42, 关于透射和反射对于入射的位相关系讨论。<br /> 论坛里整天有人发书，但是真正读的有多少呢?<br /> <br /> 高功率的266，在科研上应用很多。脉冲的266，可以应用在染料泵浦，探测燃烧过程，等等。<br /> 连续的就不太清楚了。</div> <div class="postmsg"><div class="quote"><blockquote>这种外腔谐振，利用的是F-P腔的共振原理。简单的说是，耦合进外谐振腔的光，在腔内每走一个周期都是同相的，它们相干叠加后就会增强，所以<br /> 耦合透过率越小，外谐振腔的Q值越高，腔内的功率密度就会更大，与入射的 ...<br /> <font size="2"><font color="#999999">zemax 发表于 2009-5-31 04:35</font> <a href="http://bbs.oecr.com/redirect.php?goto=findpost&pid=559244&ptid=74087" target="_blank"><img id="aimg_afTQ7" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a></font></blockquote></div><br /> <br /> many thanks to zemax. 见教了。。。。。。。。。。。</div> <div class="postmsg"><div class="quote"><blockquote><font size="2"><font color="#999999">jiangdi0000 发表于 2009-4-28 10:40</font> <a href="http://forum.oecr.com/forum.php?mod=redirect&goto=findpost&pid=546099&ptid=74087" target="_blank"><img id="aimg_C7nNp" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></a></font><br /> 楼主，你确定5W是国外最高吗？我这里有12.2W的文献，其中1064~532光光转化效率88%，1064~266大于50%，我是菜 ...</blockquote></div><br /> 确实听说过12W的，好像是日本的。<br /> 但也要看看耐多少时间啊，如果记得不错就是几个小时，没法真正应用。</div> <div class="postmsg">好东西，不过参数现在看来一般般了</div> <div style="height200px;"></div> <ul class="xl xl2 cl" style="border-top: 1px #cccccc dashed;margin:5px 0 ;padding-top:5px"> <dl><b> 同一主题资料:</b></dl><dl class='icon'><img src="static/image/filetype/pdf.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=30426" title="F531990F-BDB9-137E-C28EA1D20D624770_78320.pdf">F531990F-BDB9-137E-C28EA1D20D624770_78320.pdf</a> <font color="#AAAAAA">(469.48 KB)</font> </dl> <dl class='icon'><img src="static/image/filetype/pdf.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=40763" title="266最高转化效率.pdf">266最高转化效率.pdf</a> <font color="#AAAAAA">(276.72 KB)</font> </dl> </div> </div> </div> </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 src="static/image/common/site_qq.jpg" alt="QQ" /></a><span class="pipe">|</span><a href="http://m.oecr.com" >手机版</a><span class="pipe">|</span><a href="http://so.oecr.com" title="站内搜索" target="_blank" >搜索</a><span class="pipe">|</span><a href="http://www.focaloptics.com" title="主办单位：武汉焦点光学技术有限公司" target="_blank" >焦点光学</a><span class="pipe">|</span><a href="http://www.oecr.com" target="_blank">光电工程师社区</a> ( <a href="http://beian.miit.gov.cn/" target="_blank">鄂ICP备17021725号-1</a> <a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821" target="_blank">鄂网安备42011102000821号</a> ) <span id="tcss"></span><script type="text/javascript" src="http://tcss.qq.com/ping.js?v=1eOg" charset="utf-8"></script><script type="text/javascript" reload="1">pgvMain({"discuzParams":{"r2":"1028778","ui":0,"rt":"plugin","pn":1,"qq":"000"},"extraParams":""});</script></p> <p class="xs0"> <span id="debuginfo"> Copyright 2015 光电工程师社区 版权所有 All Rights Reserved. </span> </p> </div> <div id="ftl" > <p>申明：本站为非盈利性公益个人网站，已关闭注册功能，本站所有内容均为网络收集整理，不代表本站立场。如您对某些内容有质疑或不快，请及时联系我们处理！ </p> </div> <div id="frt" > <div class="wp"> <p class="dd01"> © 2001-2022 <a href="http://www.oecr.com" target="_blank">光电工程师社区</a> 网站备案号：<a href="https://beian.miit.gov.cn/">鄂ICP备17021725号</a> 网站公安备案号：<a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821">鄂42011102000821号</a> Powered by <a href="http://www.discuz.net" target="_blank">Discuz!</a> <em>X3.2</em> </p><p class="dd02">GMT+8, 2025-12-23 04:55 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <script src="home.php?mod=misc&ac=sendmail&rand=1766436900" type="text/javascript"></script> <!--<div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> --> <div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> <script type="text/javascript">_attachEvent(window, 'scroll', function () { showTopLink(); });checkBlind();</script> <div id="discuz_tips" style="display:none;"></div> <script type="text/javascript"> var tipsinfo = '1028778|X3.2|0.6||0||0|7|1766436900|2f39fdb3f70c940cd5e0a0961afc5d6c|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>