7 November 2016 Design of a solar-blind ultraviolet detection system
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Proceedings Volume 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016; 101411N (2016) https://doi.org/10.1117/12.2256349
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held July 2016, 2016, Changchun, China
Abstract
Solar-blind region of UV wave waveband, which is from 240nm to 280nm, is absorbed by atmosphere seriously. This feature can ensure solar-blind ultraviolet(UV) optical system is not affected by natural and artificial light sources. In this paper, an optical system based in the solar-blind spectrum region is designed to realize UV missile warning. System structure is simplified and image quality is improved by using aspheric surfaces and binary optical elements. In order to increase the detection range, the field of view is increased to 50°. The focal length of system is 30mm and UV CCD PIXIS 2048BUV is selected as the detector with effective imaging area 27.6mm×27.6mm and pixel size 13.5μm×13.5μm. From the diagram of diffraction encircled energy, more than 85% of the light energy for each field of view is received within a pixel size. The spot diagram for each field of view is smaller than a single pixel size. The image quality of the system has characteristics of high energy concentration and uniform illumination on image plane. This system is suitable for both military and civil applications.
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Wenwen Fan, Wenwen Fan, Sirui Kang, Sirui Kang, Yu Chen, Yu Chen, } "Design of a solar-blind ultraviolet detection system", Proc. SPIE 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016, 101411N (7 November 2016); doi: 10.1117/12.2256349; https://doi.org/10.1117/12.2256349
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