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- W2327546899 abstract "The narcissus influence for cooled IR imaging systems is well known and should be considered in the process of optical design. We gave a comprehensive introduction and analysis of the cause of narcissus for IR optical system and pointed the difference between diffractive surface and refractive surface for narcissus intensity evaluation. There will be multi-order diffraction after rays passing through diffractive surface. Considering the diffraction efficiency, we analyzed the narcissus influence for diffractive surface and modified the narcissus evaluation criterion YNI . A MWIR optical system with two diffractive surfaces has been given as a practical example and the narcissus effect for the two diffractive surfaces has been evaluated. The conclusion can be used to calculate and control the narcissus intensity in infrared optical systems with diffractive surfaces." @default.
- W2327546899 created "2016-06-24" @default.
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- W2327546899 date "2012-01-01" @default.
- W2327546899 modified "2023-09-26" @default.
- W2327546899 title "红外光学系统中衍射面冷反射的分析与评价" @default.
- W2327546899 doi "https://doi.org/10.1360/972011-1106" @default.
- W2327546899 hasPublicationYear "2012" @default.
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