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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=57" 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">固体板条激光器光束净化研究取得进展 </h1> <p class="xg1"> 时间：2018-7-16 10:39<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(848)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=6846&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" 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>中国科学院光电技术研究所自适应光学重点实验室研究员许冰团队长期致力于基于自适应光学技术的固体板条激光器光束净化研究。</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"><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">中国科学院光电技术研究所自适应光学重点实验室研究员许冰团队长期致力于基于自适应光学技术的固体板条<span class="hrefStyle" style="margin: 0px; padding: 0px;"><a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>器</span>光束净化研究。</p><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">固体<span class="hrefStyle" style="margin: 0px; padding: 0px;">激光</span>有体积小、重量轻、寿命长、效率高等诸多优点，广泛应用于工业、<a href="http://medicine.oecr.com" target="_blank" class="relatedlink">医疗</a>、科研等领域。传统的圆棒激光器在高功率泵浦下存在严重的热致双折射效应和热透镜效应，难以同时获得高平均功率和高光束质量。</p><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">为解决这一难题，1969年Martin等人提出了板条激光器的概念，显著改善了散热性能，但是增益介质热效应等因素仍然会引起光束波前畸变，降低了光束质量。如何同时获得高平均功率和高光束质量始终是固体板条激光发展中面临的重大问题。</p><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">由于固体板条激光器具有特殊的结构形式与工作方式，与常规自适应光学系统相比，固体板条激光器的自适应光学系统需解决大长宽比光束大幅值低阶像差预补偿、波前斜率局部异常处理以及高灵活性波前处理等特有问题。</p><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">许冰团队突破了低阶像差补偿器、加权优化波前复原方法以及通用波前处理机等关键技术，实现了1．64倍衍射极限的优异光束质量。基于上述技术研制了二十余套自适应光学系统，已服务于国内多家单位研制的固体板条激光系统中，获得了良好的效果，保障了上述激光系统的光束质量。</p><p style="margin: 0px; padding: 0px 0px 15px; border: 0px; line-height: 24px; text-indent: 2em; word-break: break-word; font-family: 瀹嬩綋; background-color: rgb(255, 255, 255);">相关论文已发表在近期的《光电工程》上。</p><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" center;="" 255);"="" style="text-align: center; word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255);"><b style="word-wrap: normal;"><font size="5" style="word-wrap: normal;">欢迎关注OECR公众号</font></b></p><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" center;="" 255);"="" style="text-align: center; word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); 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xw0">2018-7-16 21:00</span> </dt> <dd>我了个去，顶了</dd> </dl><a name="comment_anchor_18453"></a> <dl id="comment_18453_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(18453, '6846');">引用</a> </span> <a href="http://club.oecr.com/space-uid-46799.html" class="xi2 xw1" c="1">imsun</a> <span class="xg1 xw0">2018-7-16 18:00</span> </dt> <dd>随便看看就好了。</dd> </dl><a name="comment_anchor_18446"></a> <dl id="comment_18446_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(18446, '6846');">引用</a> </span> <a href="http://club.oecr.com/space-uid-59848.html" class="xi2 xw1" c="1">tsytsdc</a> <span class="xg1 xw0">2018-7-16 14:29</span> </dt> <dd>希望找到同行。</dd> </dl><a name="comment_anchor_18443"></a> <dl id="comment_18443_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(18443, 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