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256×1甚长波量子阱红外焦平面研究
引用本文:李宁,郭方敏,熊大元,陆卫,王文新,黄绮,周均铭.256×1甚长波量子阱红外焦平面研究[J].红外与激光工程,2006,35(6):756-758.
作者姓名:李宁  郭方敏  熊大元  陆卫  王文新  黄绮  周均铭
作者单位:1. 中国科学院上海技术物理研究所,红外物理国家重点实验室,上海,200083
2. 中国科学院物理研究所,北京,100080
基金项目:国家自然科学基金;上海市AM基金;上海市青年科技启明星计划
摘    要:GaAs/AlGaAs量子阱红外探测器由于其所依据的GaAs基材料较为成熟的材料生长和器件制备工艺,使其特别适合于高均匀性、大面积红外焦平面的应用。报道了甚长波256×1元GaAs/AlGaAs多量子阱红外焦平面器件的研制成果, 探测器的峰值波长为15 μm,响应带宽大于1.5 μm。在40 K工作温度下,器件的平均黑体响应率Rp=3.96×106 V/W, 平均黑体探测率为D*=1.37×109 cm·Hz1/2/W, 不均匀性为11.3%, 并应用研制的器件获得了物体的热像图。

关 键 词:量子阱    焦平面    甚长波    红外探测器
文章编号:1007-2276(2006)06-0756-03
收稿时间:2006-01-10
修稿时间:2006-02-20

256×1 very long wavelength QWIP FPAs
LI Ning,GUO Fang-min,XIONG Da-yuan,LU Wei,WANG Wen-xin,HUANG QI,ZHOU Jun-ming.256×1 very long wavelength QWIP FPAs[J].Infrared and Laser Engineering,2006,35(6):756-758.
Authors:LI Ning  GUO Fang-min  XIONG Da-yuan  LU Wei  WANG Wen-xin  HUANG QI  ZHOU Jun-ming
Affiliation:1.National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China; 2. Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
Abstract:Based on the advantages in mature GaAs material growth and its device processing technology, the GaAs/AlGaAs quantum well infrared photodetectors(QWIP) are suitable for high uniform, large area FPAs. The laboratory production of a 256×1 very long wavelength focal plane array (FPA) is reported. The spectral response peak was at 15 μm and response bandwidth was larger than 1.5 μm. The measured average peak responsivity, peak detectivity and nonuniformity were 3.96×106 V/W, 1.37×109 cm·Hz1/2/W and 11.3% at 40 K, respecitively. The infrared image was also obtained by the FPA.
Keywords:QWlP  FPAs  Very long wavelength  Infrared detector
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