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Proceedings Paper

Imaging Fourier transform spectrometry with a Fizeau interferometer
Author(s): Rick Lee Kendrick; Eric H. Smith; Alan L. Duncan
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Paper Abstract

Fourier Transform Spectrometers usually consist of a single telescope with the beam split into two paths prior to the focal plane. The beams form a Michelson interferometer with beam recombination occurring at the focal plane. The path length of one beam is varied in order to scan through the white light fringe packet while a series of images is collected. Fourier transforming each pixel of the image across the series results in a spectral data cube of the scene. We propose using a multiple telescope FIzeau Imager for collecting Fourier Transform Spectrometer data. The path lengths through one telescope are varied while a series of images is collected. The processing is similar to the standard IFTS with some modification due to the necessity of image restoration. We present preliminary results from a laboratory multiple telescope FIzeau Imaging system.

Paper Details

Date Published: 26 February 2003
PDF: 6 pages
Proc. SPIE 4852, Interferometry in Space, (26 February 2003); doi: 10.1117/12.460688
Show Author Affiliations
Rick Lee Kendrick, Lockheed Martin Advanced Technology Ctr. (United States)
Eric H. Smith, Lockheed Martin Advanced Technology Ctr. (United States)
Alan L. Duncan, Lockheed Martin Advanced Technology Ctr. (United States)

Published in SPIE Proceedings Vol. 4852:
Interferometry in Space
Michael Shao, Editor(s)

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