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Proceedings Paper

First results on GaAs blocked impurity band (BIB) structures for far-infrared detector arrays
Author(s): L. A. Reichertz; B. L. Cardozo; J. W. Beeman; D. I. Larsen; S. Tschanz; G. Jakob; R. Katterloher; N. M. Haegel; E. E. Haller
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Paper Abstract

We are developing a GaAs photoconductive detector for far-infrared (FIR) astronomy. A detector based on GaAs in the blocked impurity band (BIB) con.guration is expected to extend the long wavelegth limit of currently available stressed Ge:Ga photoconductors up to about 330 microns. Without the need of uniaxial stress applied to the crystal, this would furthermore allow the fabrication of single chip arrays with a large number of pixels. We are reporting results of the characterization of preliminary GaAs BIB test structures. The experimental work is supported by numerical modeling that includes all contact and space charge effects.

Paper Details

Date Published: 29 August 2005
PDF: 8 pages
Proc. SPIE 5883, Infrared Spaceborne Remote Sensing 2005, 58830Q (29 August 2005); doi: 10.1117/12.620156
Show Author Affiliations
L. A. Reichertz, Univ. of California/Berkeley (United States)
Lawrence Berkeley National Lab. (United States)
B. L. Cardozo, Univ. of Michigan (United States)
J. W. Beeman, Lawrence Berkeley National Lab. (United States)
D. I. Larsen, Lawrence Berkeley National Lab. (United States)
Univ. of California/Berkeley (United States)
S. Tschanz, Naval Postgraduate School (United States)
G. Jakob, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
R. Katterloher, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
N. M. Haegel, Naval Postgraduate School (United States)
E. E. Haller, Lawrence Berkeley National Lab. (United States)
Univ. of California/Berkeley (United States)

Published in SPIE Proceedings Vol. 5883:
Infrared Spaceborne Remote Sensing 2005
Marija Strojnik, Editor(s)

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