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Browse Journals & Magazines > Quantum Electronics, IEEE Jou ...> Volume:48 Issue:2 Help

High Operability 1024 ,\times, 1024 Long Wavelength Type-II Superlattice Focal Plane Array

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6 Author(s)
Haddadi, A. ; Center for Quantum Devices, Northwestern Univ., Evanston, IL, USA ; Ramezani-Darvish, S. ; Guanxi Chen ; Anh Minh Hoang
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Electrical and radiometric characterization results of a high-operability1024 × 1024 long wavelength infrared type-II superlattice focal plane array are described. It demonstrates excellent quantum efficiency operability of 95.8% and 97.4% at operating temperatures of 81 K and 68 K, respectively. The external quantum efficiency is 81% without any antireflective coating. The dynamic range is 37 dB at 81 K and increases to 39 dB at 68 K operating temperature. The focal plane array has noise equivalent temperature difference as low as 27 mK and 19 mK at operating temperatures of 81 K and 68 K, respectively, using f/2 optics and an integration time of 0.13 ms.

Published in:
Quantum Electronics, IEEE Journal of  (Volume:48 ,  Issue: 2 )

Date of Publication: Feb. 2012

Page(s):
221 - 228
ISSN :
0018-9197
INSPEC Accession Number:
12487269
Digital Object Identifier :
10.1109/JQE.2011.2175903
Product Type:
Journals & Magazines
Date of Publication :
15 November 2011
Date of Current Version :
23 January 2012
Issue Date :
Feb. 2012
Sponsored by :
IEEE Photonics Society

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