Development of Type-II Superlattices for Two-Color Focal Plane Arrays

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$99,844.00
Award Year:
2011
Program:
SBIR
Phase:
Phase I
Contract:
HQ0147-11-C-7569
Award Id:
n/a
Agency Tracking Number:
B103-012-0136
Solicitation Year:
2010
Solicitation Topic Code:
MDA10-012
Solicitation Number:
2010.3
Small Business Information
1801 Maple Avenue, Evanston, IL, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
Y
Duns:
129503988
Principal Investigator:
RyanMcClintock
Technical Director
(847) 491-7208
rmcclin@gmail.com
Business Contact:
ManijehRazeghi
President
(847) 491-7208
razeghi@eecs.northwestern.edu
Research Institute:
Stub




Abstract
High performance single-band focal plane arrays (FPAs) are sometimes unable to discriminate a target from its background when they present similar infrared radiation at a given wavelength which may occur even if the temperatures of the objects are different. Two-Color FPAs offer an additional wavelength that allows easy identification in such cases. Large-format dual-band FPAs are highly needed for next generation military applications. Current FPAs (eg. HgCdTe or Quantum Well Photodetectors) face fundamental and technological challenges when aiming for this new requirement. Type-II superlattices have been proposed as a viable technology and have already shown equivalent or better performance in single color detectors. In this project, we propose to continue the development of Type-II superlattices with Phase I demonstrating dual-band detectors based on Type-II superlattices, with equivalent performance as the state-of-the-art single color devices. The work will also consider the compatibility of dual-band Type-II superlattices detectors with large format ROICs designed and developed for dual-band FPAs. The development of material growth for large size wafers and of fabrication procedure for two-color arrays will also be addressed in this Phase I program to demonstrate the viability of Type-II superlattice technology. In Phase-II, 512x512 or dual-band FPAs will be delivered.

* information listed above is at the time of submission.

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