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Proceedings Paper

Large-format long-wavelength GaAs/AlGaAs multiquantum well infrared detector arrays for astronomy
Author(s): Sarath D. Gunapala; Sumith V. Bandara; James J. Bock; Michael E. Ressler; John K. Liu; Jason M. Mumolo; S. B. Rafol; David Z.-Y. Ting; Michael W. Werner
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Paper Abstract

A long-wavelength large format Quantum Well Infrared Photodetector (QWIP) focal plane array has been successfully used in a ground based astronomy experiment. QWIP arrays afford greater flexibility than the usual extrinsically doped semiconductor infrared arrays. The wavelength of the peak response and cutoff can be continuously tailored over a range wide enough to enable light detection at any wavelength range between 6 - 20 micrometers .

Paper Details

Date Published: 12 June 2001
PDF: 8 pages
Proc. SPIE 4288, Photodetectors: Materials and Devices VI, (12 June 2001); doi: 10.1117/12.429415
Show Author Affiliations
Sarath D. Gunapala, Jet Propulsion Lab. (United States)
Sumith V. Bandara, Jet Propulsion Lab. (United States)
James J. Bock, Jet Propulsion Lab. (United States)
Michael E. Ressler, Jet Propulsion Lab. (United States)
John K. Liu, Jet Propulsion Lab. (United States)
Jason M. Mumolo, Jet Propulsion Lab. (United States)
S. B. Rafol, Jet Propulsion Lab. (United States)
David Z.-Y. Ting, Jet Propulsion Lab. (United States)
Michael W. Werner, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 4288:
Photodetectors: Materials and Devices VI
Gail J. Brown; Manijeh Razeghi, Editor(s)

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