Type-II Superlattice Mid-Wavelength Infrared Focal Plane Arrays for CubeSat Hyperspectral Imaging

被引：7

作者：

Ting, David Z. ^{[1
]}

Rafol, Sir B. ^{[1
]}

Khoshakhlagh, Arezou ^{[1
]}

Keo, Sam A. ^{[1
]}

Soibel, Alexander ^{[1
]}

Fisher, Anita M. ^{[1
]}

Pepper, Brian J. ^{[1
]}

Hill, Cory J. ^{[1
]}

Gunapala, Sarath D. ^{[1
]}

Pagano, Thomas S. ^{[1
]}

机构：

[1] CALTECH, NASA, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2022年 / 34卷 / 06期

基金：

美国国家航空航天局;

关键词：

Infrared detector; unipolar harrier; type-II superlattice; InAs/InAsSb superlattice; nBn; hyperspectral imaging;

D O I：

10.1109/LPT.2022.3156048

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

InAs/InAsSb type-II strained layer superlattice high-operating temperature barrier infrared detector (HOT-BIRD) focal plane arrays (FPAs) were fabricated for midwavelength infrared hyperspectral imaging applications on the CubeSat Infrared Atmospheric Sounder (CIRAS). At 115 K, a 5.4 mu m cutoff FPA demonstrated a mean quantum efficiency of 53% in the 3-5 mu m band, and a mean dark current density of 1.7 x 10(-7) A/cm(2). The mean noise equivalent differential temperature (NEDT) is 22.9 mK for 300 K background and f77.8 optics, with an NEDT operability of 99.94%. The FPA meets the hyperspectral imaging requirements of CIRAS.

引用

页码：329 / 332

页数：4

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