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Proceedings Paper

Long wave infrared (8 to 14 microns) hyperspectral imager based on an uncooled thermal camera and the traditional CI block interferometer (SI-LWIR-UC)
Author(s): Dario Cabib; Moshe Lavi; Amir Gil; Uri Milman
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Paper Abstract

Since the early '90's CI has been involved in the development of FTIR hyperspectral imagers based on a Sagnac or similar type of interferometer. CI also pioneered the commercialization of such hyperspectral imagers in those years. After having developed a visible version based on a CCD in the early '90's (taken on by a spin-off company for biomedical applications) and a 3 to 5 micron infrared version based on a cooled InSb camera in 2008, it is now developing an LWIR version based on an uncooled camera for the 8 to 14 microns range. In this paper we will present design features and expected performance of the system. The instrument is designed to be rugged for field use, yield a relatively high spectral resolution of 8 cm-1, an IFOV of 0.5 mrad., a 640x480 pixel spectral cube in less than a minute and a noise equivalent spectral radiance of 40 nW/cm2/sr/cm-1 at 10μ. The actually measured performance will be presented in a future paper.

Paper Details

Date Published: 20 May 2011
PDF: 8 pages
Proc. SPIE 8012, Infrared Technology and Applications XXXVII, 80123H (20 May 2011); doi: 10.1117/12.884135
Show Author Affiliations
Dario Cabib, CI Systems (Israel) Ltd. (Israel)
Moshe Lavi, CI Systems (Israel) Ltd. (Israel)
Amir Gil, CI Systems (Israel) Ltd. (Israel)
Uri Milman, CI Systems (Israel) Ltd. (Israel)


Published in SPIE Proceedings Vol. 8012:
Infrared Technology and Applications XXXVII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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