Type II Superlattices for LWIR Detectors and Focal Plane Arrays

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$1,235,636.00
Award Year:
2009
Program:
SBIR
Phase:
Phase II
Contract:
W15P7T-08-C-M001
Award Id:
77514
Agency Tracking Number:
A062-122-0749
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1801 Maple Avenue, Evanston, IL, 60201
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
129503988
Principal Investigator:
Patrick Kung
Technical Director
(847) 491-7208
fina-mpt1@usa.net
Business Contact:
Manijeh Razeghi
President
(847) 491-7208
razeghi@ece.northwestern.edu
Research Institute:
n/a
Abstract
Long wavelength infrared (LWIR) imaging sensors are needed for next generation ballistic missile defense programs. Type II InAs/GaSb superlattices represent the most promising material system capable of delivering a more affordable and producible focal plane array (FPA) technology than the current technology, while at the same time exhibiting similar or better performance. It also offers unique design flexibility for new innovative detector structures. At present, one of the main challenges in achieving this potential is the minimization of the dark current, which is the aim of this Phase II project. To do so, it is proposed to design novel LWIR Type II superlattice structures with optimum absorbing and contact layer thicknesses and doping, to establish optimum growth conditions to achieve the highest material quality and to match the device designs, and to fabricate and test Type II superlattice photodetectors and arrays, correlating to growth conditions and processing techniques.

* information listed above is at the time of submission.

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