Low Light Short Wave Infrared Focal Plane Arrays

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0147-16-C-7529
Agency Tracking Number: B152-022-0255
Amount: $144,973.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: MDA15-022
Solicitation Number: 2015.2
Solicitation Year: 2015
Award Year: 2016
Award Start Date (Proposal Award Date): 2015-12-17
Award End Date (Contract End Date): 2016-12-20
Small Business Information
15985 NW Schendel Avenue, Suite 200, Beaverton, OR, 97006
DUNS: 124348652
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Andrew Huntington
 (971) 223-5646
Business Contact
 George Williams
Phone: (971) 223-5646
Email: georgew@voxtel-inc.com
Research Institution
Current focal plane array (FPA) technologies for imaging in low-light conditions in the short wave infrared (SWIR) are limited by poor quantum efficiency and/or poor noise characteristics. To address this need, a new SWIR-sensitive linear-mode avalanche photodiode detector array, will be optimized for low-light imaging, fabricated, and demonstrated. Unlike existing SWIRavalanche photodiodes (APDs), the new ultra-low-dark-current APD will employ a design that suppresses thermal dark current by a factor of 2000. When hybridized to a low-noise capacitive transimpedance amplifier (CTIA) readout integrated circuit (ROIC), low signal levels are detectable. In Phase I, wafers containing PIN diodes integrating the low dark current InGaAs absorber will be manufactured, and tested. Select diodes will be packaged and characterized. In the Phase I option, the best absorption layer designs will be integrated with two alternative ultra-low excess noise multiplication layer APDs.Single-element APDs and arrays will be fabricated from the wafers and characterized for dark current, gain, capacitance, and excess noise factor as a function of reverse bias. Their performance when coupled to low-noise ROICS will be determined.(Approved for Public Release 15-MDA-8482 (17 November 15))

* Information listed above is at the time of submission. *

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