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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">一份简易清单帮我们认识“光束整形器” </h1> <p class="xg1"> 时间：2021-11-2 08:44<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1482)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9327&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>又到了学习光电知识理论的时间了！今天用一份简易清单帮我们认识“光束整形器”。</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> 又到了学习光电知识<a href="http://theory.oecr.com" target="_blank" class="relatedlink">理论</a>的时间了！今天用一份简易清单帮我们认识“光束整形器”。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/202111/02/084446j4ymiygfowffi2yf.jpg" target="_blank"><img src="data/attachment/portal/202111/02/084446j4ymiygfowffi2yf.jpg"></a></p></div><div><br></div><div> 1，光束整形器是用于改变<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>光束形状的光学装置。</div><div><br></div><div> 2，通常来说，光束整形器（或者光束转换器）是可以改变光束形状的光学装置，即，改变其空间性质。例如，存在折射和微光学光束整形器，可以将高斯型入射光束整形为平顶光束。</div><div><br></div><div> 3，另一种光束整形器与高功率激光二极管结合一起，例如，二极管线阵，是为了使光束半径和光束质量在两个正交方向上更加对称。这有利于将光束射入具有圆形截面的光纤中，或者泵浦固态增益介质。</div><div><br></div><div> 4，还有些装置采用了微光学结构，例如，包含小棱镜阵列的结构，实现与更小的器件类似的功能。开始，这种亮度保持的光束整形器应用在二极管线阵上，但是它们也可以用于二极管堆中。</div><div><br></div><div> 5，需要注意的是，有时简单的采用椭球形棱镜的组合不能够在两个方向上得到相同的斑点尺寸；这样光束质量和光束发散角在两个方向上是不同的。如果用这种方法得到圆形焦点，那么光束发散角至少需要在一个方向上远大于光束整形器能得到的。</div><div><br></div><div> 6，还有其它的器件具有相同的功能，但是采用了其它的方法，例如，采用微光学或者光纤束。后者情况下，二极管线阵的单个输出被耦合进光纤束中不同的光纤中，其中光纤束线性排列在二极管线阵附近，但是其输出端为圆形排列。</div><div><br></div><div> 7，有些光束整形器表现出不同的功能。例如，有些器件用于纠正二极管线阵中的”笑脸”型光束或者使光束均匀，即使其强度分布更加均匀。</div><div><br></div><div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" style="overflow-wrap: normal; color: rgb(143, 143, 143); text-indent: 28px; font-family: 微软雅黑; background-color: rgb(255, 255, 255);"><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); text-indent: 28px; font-family: 微软雅黑; background-color: rgb(255, 255, 255);"><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); text-indent: 28px; font-family: 微软雅黑; background-color: rgb(255, 255, 255);">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); text-indent: 28px; font-family: 微软雅黑; background-color: rgb(255, 255, 255);"><br style="overflow-wrap: normal;"></div><p class="MsoNormal" 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" start;"="" normal;="" 400;="" 14px;="" style="overflow-wrap: 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