Journal
INFRARED PHYSICS & TECHNOLOGY
Volume 43, Issue 3-5, Pages 187-210Publisher
ELSEVIER
DOI: 10.1016/S1350-4495(02)00140-8
Keywords
photon detectors; thermal detectors; focal plane arrays; two-colour detectors
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The paper presents progress in infrared (IR) detector technologies during 200 history of their development. Classification of two types of IR detectors (photon detectors and thermal detectors) is done on the basis of their principle of operation. The overview of IR systems and detectors is presented. Also recent progress in different IR technologies is described. Discussion is focused mainly on current and the most rapidly developing detectors: HgCdTe heterostructure photodiodes, quantum well AlGaAs/GaAs photoresistors, and thermal detectors. The outlook for near-future trends in IR technologies is also presented. (C) 2002 Elsevier Science B.V. All rights reserved.
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