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href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=57268" rel="nofollow">只看该作者</a> <span class="pipe">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&from=album">只看大图</a> <span class="none"><img src="static/image/common/arw_r.gif" class="vm" alt="回帖奖励" /></span> <span class="pipe show">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&extra=&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 571811);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_571811"> 我就读于北京工业大学<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>工程研究院，从事超快激光器方面的研究，并且热衷于将先进的激光器迅速<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>化。<br /> 看到别人在<a href="http://bbs.oecr.com" target="_blank" class="relatedlink">论坛</a>里发的关于皮秒激光器的帖子，很不错。这次出差去长春，长春天文台的韩老师一直在建议我要注重宣传自己的东西，我想也是，学校的科研能力强，但是宣传力度不够，要想能养活自己，就得善于宣传自己。今天整理了这份帖子，和大家分享一下，希望大家能多多的支持，希望国产皮秒激光器早日能和进口激光器平起平坐。<br /> 一直有人在说，高校就是搞搞研究，产品化不行，稳定性不行，我还真就不信这个邪了，大家看看我们做的激光器，希望多提些建议啊。<br /> 我们实验室搞皮秒激光器已经有年头了，国内外在做皮秒激光器产品的厂商也知道一些，比如High Q laser，ekspla, photonics，国科等等。在进行这款激光器设计的时候，我心里暗自发誓，我不满足要做国内第一，我还要能赶超国外的厂商。<br /> 发张图片<br /> <br /> 这张照片是我们在长春天文台实际使用激光器时拍下的，整机长度550mm，宽度263mm，高130mm，激光器整体密封，可应用于恶劣的工作环境。激光器的重复频率是1000HZ，单脉冲能量>1.8mJ@532nm，>3.5W@1064nm，平均功率大于1.8W，脉冲宽度15ps，光斑直径2.5mm。<br /> 下图是用相干公司的cohu47光束质量分析仪<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>出的输出激光的能量分布图。<br /> <br /> 示波器波形如下图<br /> 大家最关心的一个问题是激光器稳定性怎么样，下图是采用相干公司的3sigma功率计自动记录的12小时稳定性。<br /> 2009年7月1日长春站首次采用这台KHz激光器进行人造卫星激光测距，成功测得GIOVEB、Etalon2、glonass115等高轨道卫星和lageos、Ajisai、champ等中近地卫星，实现了KHz卫星激光测距，下图为长春站在KHz频率下观测BeaconC卫星的观测界面。</td></tr></table> <div class="pattl"> <ignore_js_op> <dl 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<td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&reppost=571811&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> </em> <p> <a href="javascript:;" id="mgc_post_571811" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport571811', 'misc.php?mod=report&rtype=post&rid=571811&tid=89703&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_571811_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=bump&idtype=tid&id=89703" id="a_bump" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/bump.small.gif" />提升卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=stick&idtype=tid&id=89703" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/stick.small.gif" />置顶卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=close&idtype=tid&id=89703" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/close.small.gif" />沉默卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=open&idtype=tid&id=89703" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/open.small.gif" />喧嚣卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=highlight&idtype=tid&id=89703" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/highlight.small.gif" />变色卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=sofa&idtype=tid&id=89703" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/sofa.small.gif" />抢沙发</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=jack&idtype=tid&id=89703" id="a_jack" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/jack.small.gif" />千斤顶</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=571811:89703" id="a_namepost_571811" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_571811')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> <script type="text/javascript" reload="1"> aimgcount[571811] = ['44189','44190','44191','44192','44193']; attachimggroup(571811); var aimgfid = 0; </script> </div><div class="postaaa posta1" id="post_571825" ><table id="pid571825" class="plhin" summary="pid571825" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar571825" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-34328.html" target="_blank" class="xw1" style="color: #FF99FF">linjipeng</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo571825" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo571825_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-34328.html" target="_blank" class="xi2" style="color: #FF99FF">linjipeng</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=34328&do=profile" target="_blank" class="xi2">1550</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=34328&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=linjipeng" id="a_showip_li_571825" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=linjipeng" id="a_repent_571825" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-34328.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=34328&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=571825" id="postnum571825" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>2</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon571825" src="static/image/common/online_member.gif" /> <em id="authorposton571825">发表于 2009-7-10 10:27:14</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=34328" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_571825"> 赞一个！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" />！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" />！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" />！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" />！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" />！<img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /></td></tr></table> </div> <div id="comment_571825" class="cm"> </div> <div id="post_rate_div_571825"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition571825"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=571825&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=571825&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_571825').innerHTML ? $('review_support_571825').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_571825"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=571825&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_571825').innerHTML ? $('review_against_571825').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_571825"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_571825" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport571825', 'misc.php?mod=report&rtype=post&rid=571825&tid=89703&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_571825_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=571825:89703" id="a_namepost_571825" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_571825')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta2" id="post_571829" ><table id="pid571829" class="plhin" summary="pid571829" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar571829" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-57268.html" target="_blank" class="xw1" style="color: #FF99FF">constant</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo571829" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo571829_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-57268.html" target="_blank" class="xi2" style="color: #FF99FF">constant</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" class="xi2">708</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=constant" id="a_showip_li_571829" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=constant" id="a_repent_571829" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-57268.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=57268&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=571829" id="postnum571829" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>3</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon571829" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton571829">发表于 2009-7-10 10:33:38</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=57268" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_571829"> 非常感谢，希望多提些宝贵意见啊。</td></tr></table> </div> <div id="comment_571829" class="cm"> </div> <div id="post_rate_div_571829"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition571829"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=571829&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=571829&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_571829').innerHTML ? $('review_support_571829').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_571829"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=571829&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_571829').innerHTML ? $('review_against_571829').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_571829"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_571829" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport571829', 'misc.php?mod=report&rtype=post&rid=571829&tid=89703&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_571829_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=571829:89703" id="a_namepost_571829" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_571829')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta3" id="post_571929" ><table id="pid571929" class="plhin" summary="pid571929" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar571929" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-50382.html" target="_blank" class="xw1" style="color: #FF99FF">ydlaser</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo571929" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo571929_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-50382.html" target="_blank" class="xi2" style="color: #FF99FF">ydlaser</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=50382&do=profile" target="_blank" class="xi2">787</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=50382&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=ydlaser" id="a_showip_li_571929" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=ydlaser" id="a_repent_571929" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-50382.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=50382&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=571929" id="postnum571929" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>4</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon571929" src="static/image/common/online_member.gif" /> <em id="authorposton571929">发表于 2009-7-10 17:23:44</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=50382" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_571929"> 顶了再说....<br /> <img src="static/image/smiley/default/sleepy.gif" smilieid="122" border="0" alt="" /></td></tr></table> </div> <div id="comment_571929" class="cm"> </div> <div id="post_rate_div_571929"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition571929"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=571929&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=571929&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_571929').innerHTML ? $('review_support_571929').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_571929"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=571929&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_571929').innerHTML ? $('review_against_571929').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_571929"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_571929" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport571929', 'misc.php?mod=report&rtype=post&rid=571929&tid=89703&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_571929_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=571929:89703" id="a_namepost_571929" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_571929')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta4" id="post_572213" ><table id="pid572213" class="plhin" summary="pid572213" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar572213" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-62646.html" target="_blank" class="xw1" style="color: #FF00CC">wwwcai</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo572213" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo572213_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-62646.html" target="_blank" class="xi2" style="color: #FF00CC">wwwcai</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=62646&do=profile" target="_blank" class="xi2">2683</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=62646&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=wwwcai" id="a_showip_li_572213" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=wwwcai" id="a_repent_572213" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-62646.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=62646&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=572213" id="postnum572213" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>5</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572213" src="static/image/common/online_member.gif" /> <em id="authorposton572213">发表于 2009-7-12 02:05:24</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=62646" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572213"> 不错，呱唧呱唧，信了你的邪。光斑圆度要再好点就好了；稳定行测试时间更长就好了，上百上千小时；脉冲重复频率更高，功率更大就更好了。</td></tr></table> </div> <div id="comment_572213" class="cm"> </div> <div id="post_rate_div_572213"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572213"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572213&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=572213&hash=ed342535" 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<em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" class="xi2">708</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=constant" id="a_showip_li_572225" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=constant" id="a_repent_572225" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-57268.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=57268&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=572225" id="postnum572225" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>6</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572225" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton572225">发表于 2009-7-12 09:19:15</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=57268" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572225"> 是的，光斑再整好些，现在高重复频率的正在研制中，频率上去了，平均功率也就容易上去了。<br /> 现在我知道的皮秒激光器的应用领域有测距，和微加工，其他的我没调研过，听说搞超硬的也有需要，如果有需要朋友，可以试用。<br /> 还有啊，激光器的震动性测试怎么测试啊？有什么标准么？希望有兴趣的朋友们多多交流啊，我对激光器的稳定性非常感兴趣。有对机械结构有研究的希望给小弟支支招。</td></tr></table> </div> <div id="comment_572225" class="cm"> </div> <div id="post_rate_div_572225"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572225"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572225&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=572225&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_572225').innerHTML ? $('review_support_572225').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_572225"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=572225&hash=ed342535" 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id="post_572387" ><table id="pid572387" class="plhin" summary="pid572387" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar572387" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-82516.html" target="_blank" class="xw1" style="color: #FF00CC">sinostudio</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo572387" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo572387_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-82516.html" target="_blank" class="xi2" style="color: #FF00CC">sinostudio</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=82516&do=profile" target="_blank" class="xi2">3045</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=82516&do=profile" target="_blank" title="查看详细资料"><img 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onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>7</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572387" src="static/image/common/online_member.gif" /> <em id="authorposton572387">发表于 2009-7-13 09:35:20</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=82516" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572387"> 我以前做过军品，对可靠性要求机严。高低温，振动冲击，湿热，酸雾等等！<br /> 很讲究！但是做民品的话，要求就简单多了。不同用处，对可靠性有不同的检测方法！</td></tr></table> </div> <div id="comment_572387" class="cm"> </div> <div id="post_rate_div_572387"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572387"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572387&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=572387&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_572387').innerHTML ? $('review_support_572387').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_572387"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=572387&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_572387').innerHTML ? $('review_against_572387').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_572387"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_572387" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport572387', 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card_gender_" id="userinfo572439" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo572439_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-57268.html" target="_blank" class="xi2" style="color: #FF99FF">constant</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" class="xi2">708</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=57268&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=constant" id="a_showip_li_572439" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=constant" id="a_repent_572439" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-57268.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=57268&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=572439" id="postnum572439" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>8</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572439" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton572439">发表于 2009-7-13 10:52:55</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=57268" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572439"> 谢谢大家了，我有些理论方面的问题，搞得不是很明白，关于再生放大增益和损耗的确定方法的，昨天和师弟讨论了一下，没得出结论来，我一会儿把手头上的活忙完，贴上图片，希望理论牛人帮我分析分析，给些指点。</td></tr></table> </div> <div id="comment_572439" class="cm"> </div> <div id="post_rate_div_572439"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572439"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572439&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=572439&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_572439').innerHTML ? 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<script type="text/javascript" reload="1">checkmgcmn('post_572439')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta8" id="post_572509" ><table id="pid572509" class="plhin" summary="pid572509" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar572509" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-68245.html" target="_blank" class="xw1" style="color: #FF99FF">bai3697</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo572509" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo572509_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-68245.html" target="_blank" class="xi2" style="color: #FF99FF">bai3697</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=68245&do=profile" target="_blank" class="xi2">1898</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=68245&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=bai3697" id="a_showip_li_572509" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=bai3697" id="a_repent_572509" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-68245.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=68245&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=572509" id="postnum572509" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>9</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572509" src="static/image/common/online_member.gif" /> <em id="authorposton572509">发表于 2009-7-13 13:59:14</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=68245" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572509"> 顶一个，我也是做激光器方面的学生，大家可以交流交流</td></tr></table> </div> <div id="comment_572509" class="cm"> </div> <div id="post_rate_div_572509"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572509"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572509&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=572509&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_572509').innerHTML ? $('review_support_572509').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_572509"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=89703&pid=572509&hash=ed342535" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_572509').innerHTML ? $('review_against_572509').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_572509"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_572509" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport572509', 'misc.php?mod=report&rtype=post&rid=572509&tid=89703&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_572509_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=572509:89703" id="a_namepost_572509" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_572509')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta9" id="post_572593" ><table id="pid572593" class="plhin" summary="pid572593" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar572593" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xw1" style="color: #FFCC00">再也不能这样</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo572593" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo572593_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xi2" style="color: #FFCC00">再也不能这样</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=10316&do=profile" target="_blank" class="xi2">6995</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=10316&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=%D4%D9%D2%B2%B2%BB%C4%DC%D5%E2%D1%F9" id="a_showip_li_572593" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=%D4%D9%D2%B2%B2%BB%C4%DC%D5%E2%D1%F9" id="a_repent_572593" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-10316.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10316&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=89703&pid=572593" id="postnum572593" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>10</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon572593" src="static/image/common/online_member.gif" /> <em id="authorposton572593">发表于 2009-7-13 15:04:39</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=89703&page=1&authorid=10316" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_572593"> 好啊，敢于宣传，勇于宣传。把东西做好，卖好，动脑出力的人钱赚好，良性循环就开始了。</td></tr></table> </div> <div id="comment_572593" class="cm"> </div> <div id="post_rate_div_572593"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition572593"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=572593&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" 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class="t_f" id="postmessage_573336"> 下面这幅图形中给出的是再生放大腔在没有种子光导入情况下，在某个腔镜处(微小漏光)用光电管探测到的调Q波形建立的全过程(此时激光器输出光很弱，基本都憋在腔内损耗掉了)。<br /> 我想问的是，如何根据这个实测的波形来计算出激光腔的增益和呢？他说采用的是速率方程(laser rate equation), T在这里是个甚么物理量呢？波形中，黑色线条为实测波形，红色为计算出来的波形，拟合的很好，公式是什么呢？<br /> 还有，他说根据再生放大腔调Q建立过程波形的衰减时间( <ignore_js_op> <img id="aimg_44307" aid="44307" src="static/image/common/none.gif" zoomfile="data/attachment/forum/month_0907/0907151432050c4f35bea8861e.jpg" file="data/attachment/forum/month_0907/0907151432050c4f35bea8861e.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="98" id="aimg_44307" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_44307_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>光电论坛.JPG</strong> <em class="xg1">(95.5 KB, 下载次数: 20)</em></p> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=NDQzMDd8NGI3NzQ4MzB8MTc0NTc3NDUzMnwwfDg5NzAz&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_44307" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=44307&handlekey=savephoto_44307">保存到相册</a> </p> <p class="xg1 y">2009-7-15 14:32 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> decay time)可以估计出激光在再生放大腔内往返一周(roundtrip)的损耗，这又是怎么计算出来的呢？希望得到高人的指点。</td></tr></table> </div> <div id="comment_573336" class="cm"> </div> <div id="post_rate_div_573336"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition573336"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=89703&repquote=573336&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=89703&pid=573336&hash=ed342535" 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