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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=62" 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">紫外飞秒激光主要有哪两种产生方式？ </h1> <p class="xg1"> 时间：2021-11-26 10:09<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1122)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9373&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: 网络平台</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" 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>紫外飞秒激光主要有两种产生方式：一种是在固体介质中，通过将红外激光或者近红外光经过非线性倍频晶体的方式一次或多次进行频率转换后实现紫外激光的输出，另一种是利用红外激光在气体介质中成丝产生等离子通道实现 ...</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"><div> 紫外飞秒<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>主要有两种产生方式：一种是在固体介质中，通过将红外激光或者近红外光经过非线性倍频<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>的方式一次或多次进行频率转换后实现紫外激光的输出，另一种是利用红外激光在气体介质中成丝产生等离子通道实现。</div><div><br></div><div> 研究表明，利用稀有气体中的谐波产生来实现近红外激光脉冲的非线性频率转换是一种有效的产生紫外激光的方法，并且可以将超短脉冲产生技术扩展到深紫外波段，不需要控制紫外光的色散。</div><div><br></div><div> 采用固体介质时因受到传输波长的限制，输出波长多在200nm以上。</div><div><br></div><div> 相较于固体介质，气体介质在紫外波段的透过范围更宽，且拥有更小的色散系数，因此气体介质是产生紫外脉冲的一种较理想的介质。</div><div><br></div><div> 虽然利用气体介质的非线性效应可以产生波长更短的紫外光脉冲，但其转换效率要低于固体介质。</div><div><br></div><div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;"><span style="overflow-wrap: normal;">免责声明：编写或转载此文是为了传递更多的信息，为光电行业尽一些绵薄之力。若文字或图片侵犯了您的合法权益或有不当之处，请作者在20个工作日之内与我们联系，我们将协调给予处理。</span></div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" start;"="" normal;="" 400;="" 14px;="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;"><br style="overflow-wrap: normal;"></div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" start;"="" normal;="" 400;="" 14px;="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;">联系邮箱：lm@focaloptics.com，欢迎相关行业朋友与我们约稿。谢谢。</div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" start;"="" normal;="" 400;="" 14px;="" normal;"="" 255);="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;"><br style="overflow-wrap: normal;"></div><p class="MsoNormal" 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" start;"="" normal;="" 400;="" 14px;="" style="overflow-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;"><span lang="EN-US" major-latin;mso-bidi-font-family:微软雅黑"="" mso-ascii-theme-font:major-latin;mso-fareast-font-family:微软雅黑;mso-hansi-theme-font:="" cambria","serif";="" style="overflow-wrap: normal; font-size: 12pt;"></span></p><p align="center" style="overflow-wrap: break-word; margin: 0px 0px 12px; padding: 10px 0px 0px; color: 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