Passively-Cooled Hyperspectral Infrared Detectors and Arrays

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,998.00
Award Year:
2010
Program:
SBIR
Phase:
Phase I
Contract:
NNX10RA62P
Award Id:
95608
Agency Tracking Number:
094643
Solicitation Year:
n/a
Solicitation Topic Code:
S1
Solicitation Number:
n/a
Small Business Information
590 Territorial Drive, Suite B, Bolingbrook, IL, 60440
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
068568588
Principal Investigator:
Silviu Velicu
Principal Investigator
(630) 771-0203
svelicu@epir.com
Business Contact:
Sivalingam Sivananthan
President & CEO
(630) 771-0201
ssivananthan@epir.com
Research Institute:
n/a
Abstract
A constant demand exists to improve the sensitivity of trace chemical species measurement systems, which is often limited by the performance of the infrared photon detector components. The significant cooling required to reduce dark currents and increase detectivities is a practical concern associated with these infrared detectors. For geostationary and low-Earth orbital platforms, passive cooling systems have been developed to provide a suitable means of incorporating such high-performance infrared detectors. The passive cooling system for the Crosstrack Infrared Sounder has provided a means to achieve a set point of 81 K for long-wavelength infrared detector operation. We will develop in this proposed effort the technology for high-performance, passively-cooled infrared (6-14 microns spectral range) detectors with integrated capabilites for Fabry-Perot spectroscopy. The proposed sensors will be based on HgCdTe material for high detectivities and use an Auger-suppression technique to reduce cooling requirements. HgCdTe detectors capable of operating under passive cooling conditions will be designed, fabricated and tested. In parallel, Fabry-Perot cavities suitable for future integration with the HgCdTe infrared detectors will be designed, fabricated and tested. The infrared detector arrays and tunable Fabry Perot cavities will be integrated in later phases of the proposed project.

* information listed above is at the time of submission.

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