(Hg,Zn)Te photon detectors of 10.6-um laser radiation with optical resonance cavity

Tadeusz Niedziela

doi:10.1117/12.22318

1 October 1990 (Hg,Zn)Te photon detectors of 10.6-um laser radiation with optical resonance cavity

Tadeusz Niedziela

Proceedings Volume 1320, Infrared Technology and Applications; (1990) https://doi.org/10.1117/12.22318
Event: Eighth International Conference Infrared Technology and Applications, 1990, London, United Kingdom

Abstract

There are determined distributions of electric field of the light wave, the radiation intensity, the external quantum yield and the carrier concentration in a photosensitive element located in the optical resonanse cavity. The results obtained are used to evaluate the normalized detectivity of the (Hg,Zn)Te photon detector of lO.6piu radiation (PC, PEM and Dember). . It has been found, that the interference effects in a homogeneous with respect to the energy gap and doping, photosensitive element, results in the increase of the detective parameters of the detectors (up to 3 times). It can be obtained the high normalized detectivity * 8 1 1/2 (D >10 cmW Hz ) of uncooled (T300K) and cooled (T200K, D>lO9cmW1Hz1"2) photoresistors, PEM and Dember detectors with the optical cavity.

Citation Download Citation

Tadeusz Niedziela "(Hg,Zn)Te photon detectors of 10.6-um laser radiation with optical resonance cavity", Proc. SPIE 1320, Infrared Technology and Applications, (1 October 1990); https://doi.org/10.1117/12.22318

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