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1、网络出版时间:2017-05-0814:21:01网络出版地址:http://kns.cnki.net/kcms/detail/61.1235.O4.20170508.1421.110.html基于DMD光谱可调的星模拟器光源光学系统设计11,21,2333徐达,张国玉,孙高飞,张宇,雷杰,马一原(1.长春理工大学光电工程学院,长春130022;2.吉林省光电测控仪器工程技术研究中心,长春130022;3.航天系统仿真重点实验室,北京100000)摘要:为满足对星敏感器在各种谱线分布下对探测能力的高精度标定,提出了一种基于数字微镜器件的光谱可调星模拟器光源光学系统设
2、计方法,解决了星模拟器与星敏感器观星色温不匹配对星敏感器光信号定标精度产生的问题。首先,根据设计指标选取Czerny-Turner型光学系统为光源光学系统,对Czerny-Turner型光学系统的彗差和象散进行分析,选取消彗差的Czerny-Turner结构;其次利用Matlab编制程序,求解Czerny-Turner型光学系统初始结构并应用ZEMAX对其进行优化;最后对光学系统进行公差分析,公差分析结果表明,在400nm-1100nm的工作谱段范围内,光学系统的光谱分辨率小于2nm,设计结果满足要求,有效降低了光谱不匹配带来的定标误差。关键词:星模拟器;光谱匹配;
3、光学设计;公差分析;像差校正中图分类号:V524.3;TH744文献标识码:A文章编号:OpticalSystemDesignofStarSimulatorLightSourcewithSpectrumAdjustableBasedonDMDXUDa1,ZHANGGuo-yu1,2,SUNGao-fei1,2,ZHANGYu3,LEIJie3,MAYi-yuan3(1.ChangchunUniversityofScienceandTechnology,Changchun130022,China;2.JilinEngineeringResearchCenterofPh
4、otoelectricMeasurement&ControlInstruments,Changchun130022,China3.KeyLaboratoryofSpaceSystemSimulation,Beijing100000,China)Abstract:Inordertosatisfythehighprecisioncalibrationofthedetectionabilityofstarsensorindifferentspectrum,anewdesignmethodofstarsimulatorlightsourcesystemwithspectru
5、madjustablebasedonDigitalMicro-mirrorDevicewaspresented.Thisdesignmethodsolvedtheissueofstarsensoropticalsignalcalibrationprecisioncausedbythemismatchbetweenstarsimulator′scolortemperatureandstarsensor′sdetectingcolortemperature.Firstly,accordingtothedesigntechnicalspecification,theCze
6、rny-Turneropticalsystemwasselectedasthelightsourceopticalsystem,analysisoftwomainaberrationsofCzerny-Turnersystem,comaandastigmatism,ancoma-correctedCzerny-Turnerstructurewasadopted.Secondly,bydesignedMATLABprogram,theinitialstructureparametersofCzerny-Turneropticalsystemwascalculateda
7、ndthenoptimizedbyZEMAX.Finally,throughthetoleranceanalysisoftheopticalsystem,theresultsshowedthatthespectralresolutionwaslessthan2nmwithintheworkingspectrumrangefrom400nmto1100nm,andthedesignresultsmettherequirements,effectivelydiminishthecalibrationerrorcausedbyspectralmismatch.Keyw