Infrared scanning imaging system based on IR fiber bundle

Gang Wang; Jianlin Li; Xinbo Zheng; Zhonghua Fang

doi:10.1117/12.871745

15 November 2010 Infrared scanning imaging system based on IR fiber bundle

Gang Wang, Jianlin Li, Xinbo Zheng, Zhonghua Fang

Proceedings Volume 7854, Infrared, Millimeter Wave, and Terahertz Technologies; 785425 (2010) https://doi.org/10.1117/12.871745
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

In infrared scanning imaging system, long linear-array detector is needed for large field of view. Instead of using long linear-array detector, we couple a non-conventional Infrared (IR) fiber bundle to a small scale Infrared Focal Plane Array (IRFPA) whose format is 320×256 in system to implement 1024×4 format linear array imaging. The input of fiber bundle is long linear array while output is plane-array. Fibers in IR fiber bundle are one to one mapping. Input end of fiber bundle is set at the focal plane of telescopic objective in system, and output end is coupled to IRFPA by coupling lens. By calibrating the position of each fiber in IRFPA, together with the mapping relationship between input and output of fiber bundle, a look up table is established. With the table, we can reconstruct the line object image. According to the scanning period of system, we can get the infrared scanning image.

Citation Download Citation

Gang Wang, Jianlin Li, Xinbo Zheng, and Zhonghua Fang "Infrared scanning imaging system based on IR fiber bundle", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 785425 (15 November 2010); https://doi.org/10.1117/12.871745

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