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Proceedings Paper

Si:As IBC IR focal plane arrays for ground-based and space-based astronomy
Author(s): Arnold D. Estrada; George Domingo; James D. Garnett; Alan W. Hoffman; Nancy A. Lum; Peter J. Love; Steven Lawrence Solomon; John E. Venzon; G. R. Chapman; K. P. Sparkman; Craig R. McCreight; Mark E. McKelvey; Robert E. McMurray; John A. Estrada; S. Zins; R. McHugh; R. R. Johnson
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Paper Abstract

Raytheon/SBRC has demonstrated high quality Si:As IBC IR FPAs for both ground-based and space-based Mid-IR astronomy applications. These arrays offer in-band quantum efficiencies of approximately 50 percent over a wavelength range from 6 micrometers to 26 micrometers and usable responses from 2 micrometers to 28 micrometers . For high background, ground-based applications the readout input circuit is a direct injection (DI) FET, while for low background, space-based applications a source follower per detector (SFD) is used. The SFD offers extremely low noise and power dissipation, and is implemented in a very small unit cell. The DI input circuit offers much larger bucket capacity and better linearity compared with the SFD, and is implemented in a 50 micrometers unit cell. SBRC's Si:As IBC detector process results in very low dark current sand our Raytheon/MED readout process is optimized for very low redout noise at low temperature operation. SBRC is committed to achieving still better performance to serve the future needs of the IR astronomy community.

Paper Details

Date Published: 21 August 1998
PDF: 10 pages
Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); doi: 10.1117/12.317220
Show Author Affiliations
Arnold D. Estrada, Raytheon/Santa Barbara Research Ctr. (United States)
George Domingo, Raytheon/Santa Barbara Research Ctr. (United States)
James D. Garnett, Raytheon/Santa Barbara Research Ctr. (United States)
Alan W. Hoffman, Raytheon/Santa Barbara Research Ctr. (United States)
Nancy A. Lum, Raytheon/Santa Barbara Research Ctr. (United States)
Peter J. Love, Raytheon/Santa Barbara Research Ctr. (United States)
Steven Lawrence Solomon, Raytheon/Santa Barbara Research Ctr. (United States)
John E. Venzon, Raytheon/Santa Barbara Research Ctr. (United States)
G. R. Chapman, Raytheon/Santa Barbara Research Ctr. (United States)
K. P. Sparkman, Raytheon/Santa Barbara Research Ctr. (United States)
Craig R. McCreight, NASA Ames Research Ctr. (United States)
Mark E. McKelvey, NASA Ames Research Ctr. (United States)
Robert E. McMurray, NASA Ames Research Ctr. (United States)
John A. Estrada, NASA Ames Research Ctr. (United States)
S. Zins, NASA Ames Research Ctr. (United States)
R. McHugh, NASA Ames Research Ctr. (United States)
R. R. Johnson, NASA Ames Research Ctr. (United States)


Published in SPIE Proceedings Vol. 3354:
Infrared Astronomical Instrumentation
Albert M. Fowler, Editor(s)

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