OALib Journal期刊
ISSN: 2333-9721
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双通道成像光谱仪共用离轴三反射光学系统的设计
DOI: 10.11846/j.issn.1001_8891.201307007, PP. 419-424
Keywords: 光学系统设计,双通道成像光谱仪,离轴三反射,棱镜-全息透射光栅-棱镜
Abstract:
提出了一种双通道共用一个主光学的推帚式高光谱成像仪光学系统,该系统由离轴三反射主光学系统、狭缝、准直镜及分色镜、可见近红外光谱仪后光学和短波红外光谱仪后光学组成,设计中采用双通道共用离轴三反射主光学系统,不仅满足了成像仪大视场、宽谱段的要求,而且提高了系统的光学效率,使系统结构更加紧凑,双通道光谱仪均采用棱镜-全息透射光栅-棱镜分光组件分光,实现了宽光谱分光,提高了衍射效率,系统实现光谱范围覆盖450~2500nm,全视场达23.9?。
References
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