双色红外焦平面研究进展

被引:19
作者
丁瑞军
叶振华
周文洪
胡晓宁
何力
机构
[1] 中国科学院上海技术物理研究所
关键词
双色; 红外焦平面; 碲镉汞;
D O I
暂无
中图分类号
TN21 [红外技术及仪器];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
介绍了叠层双色红外焦平面的发展背景和适用的材料体系,及其在国际上的发展现状,重点论述了叠层双色探测器结构类型及其探测特点,最后介绍了国内碲镉汞叠层双色焦平面的研究进展。报道了基于n-+p-P-P-N多层异质结Hg1-xCdxTe材料的叠层中波/短波(256×1)×2红外双色焦平面器件研制及性能。在77 K液氮温度下,红外焦平面探测器的两个波段的截止波长λc分别为2.8μm和3.9μm,中波/短波焦平面的平均单色探测率D*%p分别为1.8×1011 cmHz1/2/W和9.6×1010 cmHz1/2/W。
引用
收藏
页码:14 / 17+29 +29
页数:5
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