CO_2激光制导用光伏碲镉汞四象限探测器组件

Photovoltaic HgCdTe Quadrant Detector Module for CO_2 Laser Cuidance

报道了ＣＯ_２激光制导用光伏ＨｇＣｄＴｅ四象限探测器组件研究的进展情况，采用中ＨｇＣｄＴｅ体晶材料已制备出直径达２ｍｍ的四象限二极管阵列，其平均探测率为１．４１×１０（１０）ｃｍＨｚ（１／２）／Ｗ，平均响应率为２１４Ｖ／Ｗ。该探测器配有四通道的前置放大器，整个组件具有３．１５×１０（１０）ｃｍＨｚ（１／２）／Ｗ的平均探测率和优于±３％的响应均匀性。

Recent advances in photovoltaic HgCdTe quadrant detector module for CO2 laser guidance is reported. A 2 mm diameter quadrant photodiode has been developed with an average detectivity of 1.41 × 1010 cmHz1/2/W and an average reponsivity of 214V/W. The detector is fitted with four-channel preamplifiers through which the detectivity reaches to 3.15 ×1010cmHz1/2/W,The uniformity of responsivity better than 3%.