Thermal Infrared Imaging Spectrometer (TIRIS) status report

Nahum Gat; Suresh Subramanian; Steve Ross; Clayton C. LaBaw; Jeff Bond

doi:10.1117/12.280346

13 August 1997 Thermal Infrared Imaging Spectrometer (TIRIS) status report

Nahum Gat, Suresh Subramanian, Steve Ross, Clayton C. LaBaw, Jeff Bond

Proceedings Volume 3061, Infrared Technology and Applications XXIII; (1997) https://doi.org/10.1117/12.280346
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

The TIRIS is a pushbroom long wave infrared imaging spectrometer designed to operate in the 7.5 to 14.0 micrometer spectral region from an airborne platform, using uncooled optics. The focal plane array is a 64 by 20 extrinsic Si:As detector operating at 10 K, providing 64 spectral bands with 0.1 micrometer spectral resolution, and 20 spatial pixels with 3.6 milliradians spatial resolution. A custom linear variable filter mounted over the focal plane acts to suppress near field radiation from the uncooled external optics. This dual- use sensor is developed to demonstrate the detection of plumes of toxic gases and pollutants in a downlooking mode.

Citation Download Citation

Nahum Gat, Suresh Subramanian, Steve Ross, Clayton C. LaBaw, and Jeff Bond "Thermal Infrared Imaging Spectrometer (TIRIS) status report", Proc. SPIE 3061, Infrared Technology and Applications XXIII, (13 August 1997); https://doi.org/10.1117/12.280346

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