Compact Two-Band Thermographer for Remote Measurement of Skin Temperature

Award Information
Agency: Department of Defense
Branch: Navy
Contract: M67854-04-C-6002
Agency Tracking Number: N02-002-05
Amount: $592,596.00
Phase: Phase II
Program: SBIR
Awards Year: 2004
Solicitation Year: 2002
Solicitation Topic Code: N02-002
Solicitation Number: 2002.1
Small Business Information
OPTRA, INC.
461 Boston Street, Topsfield, MA, 01983
DUNS: 038336723
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Julia Rentz
 Systems Engineer
 (978) 887-6600
 jrentz@optra.com
Business Contact
 James Engel
Title: President
Phone: (978) 887-6600
Email: jengel@optra.com
Research Institution
N/A
Abstract
The goal of this Phase II effort is to design, build, test, and deliver a prototype two-band remote infrared thermographer capable of accurate skin temperature measurements at large standoffs. This system incorporates the color temperature measurement technique that was validated in the Phase I work based on the difference between the integrated radiance of two adjacent IR spectral channels. The two IR channels are critically chosen to minimize the impact of varying humidity levels; the Phase II will also utilize a normalized difference signal which minimizes the attenuating effects of rain, fog, and snow. This system will employ a modified commercial 16" Schmidt-Cassegrain telescope and two uncooled microbolometer focal plane arrays to provide the two thermal IR images form which the target temperature is extracted. The Phase II will also produce a GUI which is used to view the scene, select the region of interest, and control other operating parameters. Performance projections are a target temperature accuracy of ±1.5ºC at a 15Hz measurement bandwidth with a 12cm spatial resolution at a 1km standoff. This system will also include an on-axis compact VIS/NIR wide field imager whose output will be fused to the IR image and presented by the GUI.

* information listed above is at the time of submission.

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