双波段共孔径相机光学系统设计
Journal of Applied Optics（2017）
Abstract
双波段共孔径相机可兼顾近红外和可见光两者优势,即能保证丰富色彩信息的获取,也可充分利用近红外探测较好的穿雾和高灵敏度弱光探测能力.设计了工作波段为450 nm～650nm和750 nm～900 nm的双波段共孔径相机,其视场角为35°×20°,F数为1.5,采用全球面复杂化双高斯结构.设计结果表明:MTF＞0.4(@50 lp /mm),系统弥散斑＜10 μm,畸变＜3％,可满足指标要求.
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Key words
optical design,dual-band common aperture camera,dual Gauss structure,large relative aperture,medium field of view
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