State of the art HOT performances for Sofradir II-VI extrinsic technologies

L. Rubaldo, A. Brunner, P. Guinedor, R. Taalat, D. Sam-giao, A. Kerlain, L. Dargent, Pere‐Laperne Nicolas, V. Chaffraix, M. Bourqui, Y. Loquet, J. Coussement
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引用次数: 11

Abstract

SOFRADIR is the worldwide leader on the cooled IR detector market for high-performance space, military and security applications thanks to a well mastered Mercury Cadmium Telluride (MCT) technology, and recently thanks to the acquisition of III-V technology: InSb, InGaAs, and QWIP quantum detectors. Strong and continuous development efforts are deployed to deliver cutting edge products with improved performances in terms of spatial and thermal resolution, low excess noise and high operability. The actual trend in quantum IR detector development is the design of very small pixel, with high operating temperature. To maintain the detector performances and operability at high temperature, the number of pixels exhibiting extra noise like 1/f and RTS noise must be limited. This paper presents the recent developments achieved in Sofradir in terms of HOT MCT extrinsic p on n technology, blue MW band (cut-off wavelength of 4.2μm at 150K) and extended MW band (cut-off wavelength of 5.3μm at 130K). Comparison between optimized and non-optimized technology will be presented in terms of NETD temperature dependency, MTF, 1/f noise and the corresponding impact on RFPN (Residual Fixe Pattern Noise) and its stability up to 170K will be shown.
Sofradir II-VI外部技术的最先进的HOT性能
SOFRADIR是高性能空间,军事和安全应用的冷却红外探测器市场的全球领导者,这要归功于掌握良好的碲化汞镉(MCT)技术,以及最近收购的III-V技术:InSb, InGaAs和QWIP量子探测器。我们持续不断地进行研发工作,以提供在空间和热分辨率、低噪音和高操作性方面具有改进性能的尖端产品。量子红外探测器的实际发展趋势是设计非常小的像素,具有很高的工作温度。为了保持探测器在高温下的性能和可操作性,必须限制显示额外噪声(如1/f和RTS噪声)的像素数量。本文介绍了Sofradir在HOT MCT外源p on n技术、蓝色毫瓦波段(150K时截止波长4.2μm)和扩展毫瓦波段(130K时截止波长5.3μm)方面取得的最新进展。在NETD温度依赖性、MTF、1/f噪声及其对RFPN(残余固定模式噪声)的影响以及高达170K的稳定性方面,将对优化后的技术与非优化后的技术进行比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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