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Wideband (0.6-11) micron Angle Deposited Thin Te:S Laser Detector

Authors: W.K. Hamoudi --- R.A. Ismail --- R.S. Abid --- M.R. Ismail
Journal: Iraqi Journal of Applied Physics المجلة العراقية للفيزياء التطبيقية ISSN: 18132065 23091673 Year: 2005 Volume: 1 Issue: 4 Pages: 3-14
Publisher: iraqi society for alternative and renewable energy sources and techniques الجمعية العراقية لمصادر وتقنيات الطاقة البديلة والمستجدة

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Abstract

A study of nanostructural, optical and electrical characteristics of obliquely deposited thin sulfur-doped films is presented. The aim was to develop a wideband (0.6-11) micron laser detector operating at room temperature with no need to biasing or amplification. The deposition angle had a decisive role on the detector specifications, namely its detectivity and response time. At deposition angle of 70 deg, the maximum detectivity was achieved 3x10^9 W-1.Hz1/2.cm while at 60 deg a fastest response 1 microsecond was obtained.

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