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Proceedings Article

Imaging Fourier transform spectrometry with a Fizeau interferometer

[+] Author Affiliations
Rick L. Kendrick, Eric H. Smith, Alan L. Duncan

Lockheed Martin Advanced Technology Ctr. (USA)

Proc. SPIE 4852, Interferometry in Space, 657 (February 27, 2003); doi:10.1117/12.460688
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From Conference Volume 4852

  • Interferometry in Space
  • Michael Shao
  • Waikoloa, Hawai'i, USA | August 22, 2002

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.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Rick L. Kendrick ; Eric H. Smith and Alan L. Duncan
"Imaging Fourier transform spectrometry with a Fizeau interferometer", Proc. SPIE 4852, Interferometry in Space, 657 (February 27, 2003); doi:10.1117/12.460688; http://dx.doi.org/10.1117/12.460688


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