SBIR/STTR Research Award

ULTRA-HIGH ABSORPTION L-VALLEY GASB QUANTUM-WELL INFRARED DETECTORS

Award identifier 935dbc0dec9f5898a41782cb31db53c633a7c0e1751b7925082dc9c8cbc64fa6Awarding agency Department of Defense · Missile Defense Agency

Award amount

$59,980

Program and phase

SBIR · Phase I

Award year

1994

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Award details

Awarding agency
Department of Defense
Branch
Missile Defense Agency
Recipient company
SVT ASSOCIATES INC
Proposal award date
Not reported
Contract end date
Not reported
UEI
MLVQMLJLC139
Solicitation number
Not reported
Topic code
Not reported

Research abstract

A newly discovered class of normal incidence quantum well (QW) photodetectors is proposed for very long wavelength (14-20 um) infrared detection. The material consists of bandgap engineered GaSb and GaAlSbAs L-valley QW's and its detection is based on interconduction subband transitions. Because exteemely high absorption coefficient (9,100 cm(-1)) is predicted and has been observed, it appears to be a very promising detector material for use in astrophysics, atmospheric remote sensing, and planetary applications. High absorption coefficient is especially desirable for longer wavelength uses. We propose to fabricate this new material by molecular beam epitaxy (MBE). The MBE growth system is equipped with in-situ diagnostics for close process monitoring in order to achieve exact composition control. The QW structure parameters will be determined from theoretical modeling and their infrared properties will be thoroughly investigated.

Technology keywords

Not reported

Other awards by this recipient

Verified by the same UEI. These are other public SBIR/STTR award pages, not a merged company record.

Research funding history

165 SBIR/STTR records share this UEI (1990–2014). Reported award amounts total $29,785,067. Reported amounts are not federal obligations.

Phases: Phase I, Phase II

Agencies: Department of Defense, National Aeronautics and Space Administration, Department of Energy, National Science Foundation

Agency intelligence

Department of Defense

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