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Yihui,Sun Qianqi（ 1.School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology Shanghai 200093, China ;2.Engineering Research Centre of Optical Instrucment and System, Ministry of Education Shanghai 200093, China ;3.Shanghai Key Laboratory of Modern Optical System, Shanghai 200093, China）<br /> 机构地区：[1]上海理工大学光电信息与计算机工程学院,上海200093 [2]教育部光学仪器与系统工程研究中心,上海200093 [3]上海市现代光学系统重点实验室,上海200093<br /> 出 处：《激光与光电子学进展》 CSCD 2014年第51卷第11期 196-201页,共6页<br /> Laser ＆ Optoelectronics Progress<br /> 摘 要：针对发光二极管（LED）天幕灯使用中的非对称大面积照明特点,提出了一种基于配光曲线的LED天幕灯矢量设计方法。根据目标面的能量分布要求计算天幕灯总配光曲线,依据其中的反射配光曲线设计反射面。设计中应用光度学、几何光学、边缘光线原理及Matlab软件中的龙格-库塔法,得出反射面各点坐标。通过Solidworks软件构建反射面模型,应用Zemax软件对其进行照明仿真,结果表明,照明均匀度达到设计要求,能量利用率超过80%,表明该设计方法具有实用价值。<br /> Considering the properties of its asymmetric large-area illustration, a vector design approaching for LED cyclorama light is proposed to achieve the asymmetric uniform illumination on backdrop. The total distribution light curve is calculated on the basis of the required energy distribution of the target surface and the reflective surface is designed to follow the reflectivity of distribution light curve. Specifically, the coordinates of points on the reflecting surface are calculated by combining photometrics, geometrical optics, the edge- ray principle and the Runge-Kutta method in Matlab. Besides, an illustration simulation is performed in Zemax after modeling the reflective surface in Solidworks. The simulated results indicate that the illumination uniformity meets the design requirements as well as the energy efficiency is able to reach more than 80%, which show that the design is of great relevance to applications.<br /> 关键词：光学设计 LED天幕灯 几何光学 光能利用率 非对称照明<br /> optical design ; LED cyclorama light ; geometric optics ; energy efficiency ; asymmetric lighting ;</div> <div style="height200px;"></div> </div> </div> </div> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img src="static/image/common/site_qq.jpg" alt="QQ" /></a><span class="pipe">|</span><a href="http://m.oecr.com" >手机版</a><span class="pipe">|</span><a href="http://so.oecr.com" title="站内搜索" target="_blank" >搜索</a><span class="pipe">|</span><a href="http://www.focaloptics.com" title="主办单位：武汉焦点光学技术有限公司" target="_blank" >焦点光学</a><span class="pipe">|</span><a href="http://www.oecr.com" target="_blank">光电工程师社区</a> ( <a href="http://beian.miit.gov.cn/" target="_blank">鄂ICP备17021725号-1</a> <a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821" target="_blank">鄂网安备42011102000821号</a> ) <span id="tcss"></span><script type="text/javascript" src="http://tcss.qq.com/ping.js?v=1eOg" charset="utf-8"></script><script type="text/javascript" reload="1">pgvMain({"discuzParams":{"r2":"1028778","ui":0,"rt":"plugin","pn":1,"qq":"000"},"extraParams":""});</script></p> <p class="xs0"> <span id="debuginfo"> Copyright 2015 光电工程师社区 版权所有 All Rights Reserved. </span> </p> </div> <div id="ftl" > <p>申明：本站为非盈利性公益个人网站，已关闭注册功能，本站所有内容均为网络收集整理，不代表本站立场。如您对某些内容有质疑或不快，请及时联系我们处理！ </p> </div> <div id="frt" > <div class="wp"> <p class="dd01"> © 2001-2022 <a href="http://www.oecr.com" target="_blank">光电工程师社区</a> 网站备案号：<a href="https://beian.miit.gov.cn/">鄂ICP备17021725号</a> 网站公安备案号：<a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821">鄂42011102000821号</a> Powered by <a href="http://www.discuz.net" target="_blank">Discuz!</a> <em>X3.2</em> </p><p class="dd02">GMT+8, 2025-12-17 05:20 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <!--<div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> --> <div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> <script type="text/javascript">_attachEvent(window, 'scroll', function () { showTopLink(); });checkBlind();</script> <div id="discuz_tips" style="display:none;"></div> <script type="text/javascript"> var tipsinfo = '1028778|X3.2|0.6||0||0|7|1765920026|8e087ab653d90af2824faf647776fe61|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>