Thermal Infrared Imaging Spectrometer (TIRIS) status report | Zendy

Nahum Gat | Zendy; Suresh Subramanian | Zendy; Steve Ross | Zendy; Clayton C. LaBaw | Zendy; J. S. Bond | Zendy

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Thermal Infrared Imaging Spectrometer (TIRIS) status report

Author(s) -

Nahum Gat,

Suresh Subramanian,

Steve Ross,

Clayton C. LaBaw,

J. S. Bond

Publication year - 1997

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.280346

Subject(s) - cardinal point , optics , imaging spectrometer , spectrometer , image resolution , micrometer , pixel , infrared , detector , field of view , spectral resolution , imaging spectroscopy , materials science , resolution (logic) , remote sensing , physics , hyperspectral imaging , spectral line , computer science , geology , astronomy , artificial intelligence

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.

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