红外与激光工程
紅外與激光工程
홍외여격광공정
INFRARED AND LASER ENGINEERING
2009年
6期
1072-1078
,共7页
吴明长%杨世模%陈志远%古学东%王慎
吳明長%楊世模%陳誌遠%古學東%王慎
오명장%양세모%진지원%고학동%왕신
光机热一体化分析%数据接口%有限元模型%弹性变形
光機熱一體化分析%數據接口%有限元模型%彈性變形
광궤열일체화분석%수거접구%유한원모형%탄성변형
Integrated optical-structural-thermal analysis%Data interface%Finite element model%Elastic deformation
为了实现对空间光机系统在复杂环境下光学性能的快速评估,介绍了光机热一体化分析方法的原理和流程,以及在该原理基础上研发的光机热分析软件的主要算法和功能,阐述了作为其关键部分的光机热数据接口问题.以Hα和白光望远镜(HWT)为例,计算出该望远镜在不同系统温度下的光机热一体化分析结果.给出的光学传递函数和波像差变化结果表明:在不同系统温度下,HWT望远镜光学性能将发生相应变化.当系统温度约为20℃时,系统性能最佳,其波像差约为λ/10.当系统温度在15~25℃之间时,系统波像差约优于λ/6.基于光机热一体化分析方法的原理,给出了适用于空间光机系统的一套可行的技术途径.
為瞭實現對空間光機繫統在複雜環境下光學性能的快速評估,介紹瞭光機熱一體化分析方法的原理和流程,以及在該原理基礎上研髮的光機熱分析軟件的主要算法和功能,闡述瞭作為其關鍵部分的光機熱數據接口問題.以Hα和白光望遠鏡(HWT)為例,計算齣該望遠鏡在不同繫統溫度下的光機熱一體化分析結果.給齣的光學傳遞函數和波像差變化結果錶明:在不同繫統溫度下,HWT望遠鏡光學性能將髮生相應變化.噹繫統溫度約為20℃時,繫統性能最佳,其波像差約為λ/10.噹繫統溫度在15~25℃之間時,繫統波像差約優于λ/6.基于光機熱一體化分析方法的原理,給齣瞭適用于空間光機繫統的一套可行的技術途徑.
위료실현대공간광궤계통재복잡배경하광학성능적쾌속평고,개소료광궤열일체화분석방법적원리화류정,이급재해원리기출상연발적광궤열분석연건적주요산법화공능,천술료작위기관건부분적광궤열수거접구문제.이Hα화백광망원경(HWT)위례,계산출해망원경재불동계통온도하적광궤열일체화분석결과.급출적광학전체함수화파상차변화결과표명:재불동계통온도하,HWT망원경광학성능장발생상응변화.당계통온도약위20℃시,계통성능최가,기파상차약위λ/10.당계통온도재15~25℃지간시,계통파상차약우우λ/6.기우광궤열일체화분석방법적원리,급출료괄용우공간광궤계통적일투가행적기술도경.
To realize the rapid evaluation of the optical performance of the high resolution space opto-mechanical system under complex environment, the main principle and process of the integrated optical-structural-thermal analysis were introduced. The primary algorithms and functions of the analysis tool developed on the principle of the integrated optical-structural-thermal were presented. As the key points, the data interface problems were illustrated. The Hα and white light telescope(HWT) was taken as an example of the integrated optical-structural-thermal analysis. The wave front error and the modulation transfer function results show that the optical performances of the HWT telescope change with the system temperature. The wave front error is about λ/10, which is best at the system temperature of 20℃. When the system temperature is between 15℃ and 25℃, the wave front error is better than λ/6.Based on the principle of the integrated optical-structural-thermal analysis, a practical technical route for the space opto-mechanical systems is presented.