一种宽温度适应范围的大口径平行光管

By designing specific lens combinations and lens barrel materials, the problems of small temperature adaptability, narrow spectral range, and small field of view of large-aperture collimators have been solved, achieving the effect of wide temperature adaptability, wide spectral range, and large field of view.

CN116880079BActive Publication Date: 2026-07-17XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
Filing Date
2023-07-14
Publication Date
2026-07-17

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Abstract

本发明涉及平行光管,具体涉及一种宽温度适应范围的大口径平行光管,用于解决现有平行光管所存在的温度适应范围小、光谱范围窄、视场较小的不足之处。该宽温度适应范围的大口径平行光管包括孔径光阑、第一透镜、第二透镜、第三透镜、第四透镜和第五透镜;本发明的光谱范围为500~900m,入瞳直径D=100mm,焦距为1000mm,出射波前在波长λ为632.8nm时优于1 / 8λ,视场角2ω=2.2°;本发明具有容易加工和安装、重量轻、口径大、光谱范围宽、视场角大的优点。
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