Photoconductive detectors in HgCdTe and related alloys

Elliott, C.T.

doi:10.1007/978-1-4613-1109-6_14

Cited by 1 publication

(1 citation statement)

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“…In this review, a sincere effort has been made to bridge this gap with emphasis on photoconductive detector design and processing technology. Therefore, a critical review has been presented on the subject, specifically on the linear array photoconductive detector technology, based on n-(Hgl.xCdx)Te material for thermal imaging in [8][9][10][11][12] pm spectral range at cryogenic temperatures.…”

Section: Relevance Of Photoconductive Detectorsmentioning

confidence: 99%

Mercury Cadmium Telluride Photoconductive Long Wave Infrared Linear Array Detectors

Singh¹,

Mittal²

2003

DSJ

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Solid State Physics Laboratory, Delhi -1 1 0 054Mercury cadmium telluride (Hg,.,Cd*Te) (MCT) photoconductive long wave infrared linear arrays are still in demand due to several advantages. The linear array technology is well established, easier, economical and is quite relevant to thermal imaging even today. The scan thermal imaging systems based on this technology offer wider field of view coverage and capacity for higher resolution in the scan direction relative to staring systems that use expensive and yet to mature focal plane array detector technology. A critical review on photoconductive n-Hg,.rCdrTe linear array detector technology for the long wave infrared range has been presented. The emphasis lies on detector design and processing technology. The critical issues of diffusion and drift effects, Hi-Lo and heterostructure blocking contacts, surface passivation, and other related aspects have been considered from the detector design angle. The device processing technology aspects are of vital importance.

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Section: Relevance Of Photoconductive Detectorsmentioning

confidence: 99%