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Proceedings Paper

In-field stray light due to surface scattering effects in infrared imaging systems
Author(s): Ke Sun; Hou-man Jiang; Xiang-ai Cheng
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Paper Abstract

In-field stray light caused by surface scattering is a serious problem in many infrared imaging systems. Light that scattered from lenses in infrared imaging system produces a halo of stray light within the field of view and often degrades the performance of an optical system especially irradiated by intensive light such as laser. The experiments are performed by using infrared thermal imaging system, irradiated by CW DF infrared laser. The relationship between the diameter of saturated area on the detector and the incident laser irradiance is obtained, which can be well explained by the point spread function (PSF) of the optics including both diffraction and scattering components.

Paper Details

Date Published: 8 September 2011
PDF: 10 pages
Proc. SPIE 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, 81933F (8 September 2011); doi: 10.1117/12.900768
Show Author Affiliations
Ke Sun, National Univ. of Defense Technology (China)
Hou-man Jiang, National Univ. of Defense Technology (China)
Xiang-ai Cheng, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 8193:
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications
Jeffery J. Puschell; Junhao Chu; Haimei Gong; Jin Lu, Editor(s)

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