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Proceedings Paper

Kestrel's new FTVHSI instrument for hyperspectral remote sensing from light aircraft
Author(s): Andrew D. Meigs; Eugene W. Butler; Bernard Al Jones; Leonard John Otten; R. Glenn Sellar; Bruce Rafert; John R. O'Hair
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Paper Abstract

During the past year, Kestrel Corporation has designed and built a low cost Fourier transform visible hyperspectral imager (FTVHSI) for deployment in a light aircraft (Cessna TU-206). The instrument is an imaging spectrometer employing a Sagnac (triangle) interferometer, that operates over a range of 450 - 1050 nm with 256 spectral channels, and a 13 degree FOV with an 0.8 mrad pixel IFOV (450 spatial channels). To aid in the calibration of the instrument, calibration and downwelling signals are recorded with every frame. Installed with the optical instrument are attitude sensors and a scene camera. This auxiliary data allows us to place a hyperspectral slice to within less than 5 m of its true position (using selective availability 'on' and differential GPS). We have performed extensive testing and calibration studies, including data collection conducted synchronously with ground measurements at locations including a White Sands radiometric calibration site. This paper reports some of the calibration studies and their results.

Paper Details

Date Published: 31 December 1996
PDF: 10 pages
Proc. SPIE 2960, Remote Sensing for Geography, Geology, Land Planning, and Cultural Heritage, (31 December 1996); doi: 10.1117/12.262468
Show Author Affiliations
Andrew D. Meigs, Kestrel Corp. (United States)
Eugene W. Butler, Kestrel Corp. (United States)
Bernard Al Jones, Kestrel Corp. (United States)
Leonard John Otten, Kestrel Corp. (United States)
R. Glenn Sellar, Kestrel Corp. (United States)
Bruce Rafert, Michigan Technological Univ. (United States)
John R. O'Hair, Air Force Phillips Lab. (United States)


Published in SPIE Proceedings Vol. 2960:
Remote Sensing for Geography, Geology, Land Planning, and Cultural Heritage
Daniel Arroyo-Bishop; Roberto Carla; Joan B. Lurie; Carlo M. Marino; A. Panunzi; James J. Pearson; Eugenio Zilioli, Editor(s)

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