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Proceedings Paper

Design considerations for SiGe-based near infrared imaging sensor
Author(s): Ashok K. Sood; Robert A. Richwine; Yash R. Puri; Oluwamuyiwa O. Olubuyide; Nicole DiLello; Judy L. Hoyt; Tayo I. Akinwande; Raymond S. Balcerak; Stuart Horn; Thomas G. Bramhall; Daniel J. Radack
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Paper Abstract

Low cost IR Sensors are needed for a variety of Military and Commercial Applications. SiGe based IR Focal Plane Arrays offer a low cost alternative for developing near IR sensors that will not require cooling and can operate in the visible and NIR bands. The attractive features of SiGe based IRFPA's will take advantage of Silicon based technology, that promises small feature size and compatibility with the low power silicon CMOS circuits for signal processing. A feasibility study of an infrared sensor based on SiGe material system and its performance characteristics are presented. Simulations comparing the sensitivity of the SiGe detector with spectral cutoff wavelength of 1.6 micron to other IR Focal Plane arrays are discussed. Measured electrical and optical characteristics of Ge-on-Si photodetectors are also presented.

Paper Details

Date Published: 15 May 2008
PDF: 9 pages
Proc. SPIE 6940, Infrared Technology and Applications XXXIV, 69400M (15 May 2008); doi: 10.1117/12.780768
Show Author Affiliations
Ashok K. Sood, Magnolia Optical Technologies, Inc. (United States)
Robert A. Richwine, Magnolia Optical Technologies, Inc. (United States)
Yash R. Puri, Magnolia Optical Technologies, Inc. (United States)
Oluwamuyiwa O. Olubuyide, Microsystems Technology Laboratories, MIT (United States)
Nicole DiLello, Microsystems Technology Laboratories, MIT (United States)
Judy L. Hoyt, Microsystems Technology Laboratories, MIT (United States)
Tayo I. Akinwande, Microsystems Technology Laboratories, MIT (United States)
Raymond S. Balcerak, DARPA/MTO (United States)
Stuart Horn, DARPA/MTO (United States)
Thomas G. Bramhall, DARPA Programs Office (United States)
Daniel J. Radack, Institute of Defense Analysis (United States)


Published in SPIE Proceedings Vol. 6940:
Infrared Technology and Applications XXXIV
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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