气象用太阳模拟器光学系统仿真.pdf

《气象用太阳模拟器光学系统仿真.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、第4期气象水文海洋仪器NO．42O1O年12月Meteorological，HydrologicalandMarineInstrumentsDec．2()10气象用太阳模拟器光学系统仿真钟民，张国玉，林子棋，吕文华。，贺晓雷。，苏(1．长春理工大学光电工程学院，长春130022；2．光电测控与光信息传输技术教育部重点实验室，长春130022；3．中国气象局气象探测中心，北京100081)摘要：气象用太阳模拟器主要应用于总辐射表检测，对辐照均匀性有较高的要求．光学系设计难度较大。本文介绍了如何用lighttools软件进行光学系统建模，分析辐照均匀性，为

2、学系统设计及装调提供有效的指导，其中，短弧氙灯是整个建模的关键，根据短弧氙灯的发机理及其亮度曲线，用嵌套的圆柱和球体光源来仿真氙灯的发光，通过蒙特卡洛光线追迹，真出来的配光曲线和实际的很接近，符合建模要求。最后，分别用一维、二维、三维分析图表辐照度分布。通过数据分析，整个口径范围内辐照不均匀度为±4．2，有效口径(bl00m围内，辐照不均匀度为±2．0。关键词：太阳模拟器；短弧氙灯；光学系统建模；辐照均匀性中图分类号：V524．3文献标识码：A文章编号：1006—009X(2010)04—0001一O4Opticalsystemsimulationof

3、weathersolarsimulatorZhongMin，ZhangGuoyu。。，IinZiqi，LnWenhua。，HeXiaolei。，SuShi’(1_SchoolofPhot~electroni(Engineering。ChangchunUniversityoyScienceandTechnology，Changchun130022；2．KeyLaboratorytl}OptoelectronicMeasuring~controllingandOpticalInf()nnaticrnTransmittingTechnology，Minist

4、ryoyEducation，Chan,~chun130022；3．MeteorologicaI(35ser~oationCenteroCMA，Beijing100081)统光光仿示范Abstract：Weathersolarsimulatorismainlyusedinthepyranometerdetection，andthepyranometerhavehighrequirementsforradialionuniformity，SOthedesignofopticalsystemisdifficult．Thisarticledescribesho

5、wtouselighttoolssoftwaretoestablishopticalsystemmodel，analysesirradiationuniformity，andprovideseffectiveguidanceforopticalsystemdesignandalignment．Itisakeypointtoestablishthemodelofshort—arcxenonlamp．Accordingtotheluminescencemechanismanditsbrightnesscurveofshort—arcxenonlamp，ne

6、stedcylindricalandsphericallightsourcesareusedtosimulatethexenonlamplightsourcebasedontheMonieCarloraytracing．Thesimulationoflightdistributioncurveisveryclosetotheacluallight，whichmeetstherequirementofmodelestablishment．Finally，theone-dimensional，two-dimensiolm1．andthree-dimensi

7、onalgraphofirradiancedistributionisrespectivelygiven．Thedatashowthattheirradiationuniformityamongtheentirediameterrangeis±4．2andtheirradiationuniformitywithin1OOmmis±2．0．Key、Vords：solarsimula~or；short—arcxenonlamp；modelestablishmentofopticalsystem；irradiationuniformity收稿日期：2010—

8、1203．基金项目：国家公益性行业科研专项资助项日(No．GYHY200706003)．作者简