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折反式大口径三组元红外变焦距系统设计 被引量:10

Design of Catadioptric Large Aperture Three Group Elements Infrared Zoom System
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摘要 分别论述了设计红外变焦距光学系统的曲线拟合法和解析法 ,并设计了大口径、三组元、机械补偿红外变焦距系统。系统的口径为 5 0 0mm ,系统焦距为 75 0mm~ 30 0 0mm。从计算结果看 ,设计的变焦距光学系统像面稳定 ,成像质量良好 ,接近或达到了衍射极限。 Two} ways, namely polynomial curve fitting method and analytic expression method, are introduced to design infrared zoom system. And an exanple of large aperture, three group elements and mechanics compensator type is given with configuration D=500 mm, f′={-750 mm^-3000 mm.} The results show that the image of the optical system approached or reached to the diffraction limit.
出处 《光学学报》 EI CAS CSCD 北大核心 2002年第5期577-581,共5页 Acta Optica Sinica
基金 中国科学院知识创新项目资助课题
关键词 光学设计 红外变焦距光学系统 曲线拟合法 解析法 optical design zoom system infrared
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