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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=61" 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">光学设计中的杂散光从哪来？这几点是主要来源！ </h1> <p class="xg1"> 时间：2023-4-4 09:33<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1673)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9730&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=61" 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>光学设计中的杂散光从哪来？在设计中“杂散光 ”概念的诠释和理解对于不同的光学设计者目前并不一致，导致设计者之间的交流受阻 ，在某种程度上阻碍了杂散光分析与抑制领域的发展进步。</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> <a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">光学设计</a>中的杂散光从哪来？在设计中“杂散光”概念的诠释和理解对于不同的光学设计者目前并不一致，导致设计者之间的交流受阻，在某种程度上阻碍了杂散光分析与抑制领域的发展进步。</div><div><br></div><div> 杂散光指的是非设计需要的光线通过光学系统后到达像面，是对光学系统中非正常传输光的概括，最终在像面形成不同类型的伪像。</div><div><br></div><div> 在设计光学系统的过程中为保证系统的正常运行，要尽可能将杂散光降低。任何光学系统都会存在杂散光，特别是镜头应用于以下情况：太阳或各类明亮光源观察物体形成杂散光造成鬼像；高精度辐射度<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>如卫星或其他太空<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">传感</a>器杂散光对精度影响较大；投影系统工作时对比度会因杂散光降低；红外相机工作时系统自身红外辐射形成杂散光对系统造成影响；光谱和其他多光谱测量时杂散光引起频谱之间的串扰。杂散光的来源可以总结为三类：</div><div><br></div><div> 成像类杂散光</div><div><br></div><div> 成像类杂散光是可见光光学系统中需要重点分析的杂散光来源之一，预期设计的光线经过折射光学元件后，少量的光线发生散射、反射后最终仍然到达像面，对正常光路成像产生负面影响。</div><div><br></div><div> 值得一提的是，无论光学系统中折射元件即透镜表面如何处理，透镜表面都无法做到完全光滑避免散射，也无法将表面的反射率控制为零，不可避免出现少量反射光线。</div><div><br></div><div> 对于成像类光学系统，若系统中的透镜数量过多或工作时面对的光源能量较强，杂散光对于成像的负面影响就会被放大，例如像面出现非常明显的亮环或亮斑。</div><div><br></div><div> 系统元件自身的辐射</div><div><br></div><div> 例如红外光学系统自身会产生红外辐射，或带有驱动系统或其他<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>系统的光学结构当工作时间过长时，温度上升后也会产生热辐射，这些内部元件产生的杂散光严重时导致在像面形成噪声。</div><div><br></div><div> 其他光源的影响</div><div><br></div><div> 例如太阳光和其在不同类型的表面例如地面、大气层等产生的折射、反射和散射等进入光学系统，当能量过大时，通过光学系统后在像面形成噪声，影响成像质量。</div><div><br></div><div> （文章来源：本文整理于网络。如文中有什么不当之处请随时联系我们，我们将及时进行修改。）</div><div><br></div><div> Ansys Zemax是一套综合性的光学设计<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>，它能够快速准确的完成AR，VR，HUD等光学系统的设计工作！</div><div><br></div><div> 光研科技南京有限公司是国内可靠的Ansys Zemax光学设计软件代理商！公司已经为广大<a href="http://b.oecr.com/company" target="_blank" class="relatedlink">企业</a>，研究所以及高校提供了很多优秀的相关<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>和服务，在行业内建立了值得信任的口碑。</div><div><br></div><div> Ansys Zemax光学软件</div><div><br></div><div> 咨询与订购方式</div><div><br></div><div> 联系人：光研科技南京有限公司徐保平</div><div><br></div><div> 手机号：15051861513</div><div><br></div><div> 微信号：13627124798</div><div><br></div><div><section microsoft="" yahei",="" simsun;="" margin:="" 0px;="" padding:="" background-color:="" rgb(255,="" 255,="" 255);"="" 255);="" overflow-wrap:="" normal;"="" style="word-wrap: normal; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255);"><p style="word-wrap: normal; margin: 0px; padding: 0px 0px 1em; overflow-wrap: normal; border: 0px currentcolor; line-height: 2; text-indent: 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