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Proceedings Paper

Demonstration of a static Fourier transform spectrometer
Author(s): Mary Bliss; Richard A. Craig; Norman C. Anheier Jr.
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Paper Abstract

In a conventional FTIR, the spectral content of the light is analyzed by a Michelson interferometer or other interferometer with a moving arm. The transmitted light intensity is measured by a wavelength-insensitive detector. The interferogram derived from a Michelson interferometer lies in the temporal domain. An alternative method for obtaining the interferogram involving no moving parts is demonstrated. For this, the interferogram lies in the spatial domain. This concept has many applications to sensor systems, for instance, forming a low-cost demodulator for Bragg-grating systems or field-portable spectrometers.

Paper Details

Date Published: 3 February 1999
PDF: 7 pages
Proc. SPIE 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII, (3 February 1999); doi: 10.1117/12.339080
Show Author Affiliations
Mary Bliss, Pacific Northwest National Lab. (United States)
Richard A. Craig, Pacific Northwest National Lab. (United States)
Norman C. Anheier Jr., Pacific Northwest National Lab. (United States)


Published in SPIE Proceedings Vol. 3541:
Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII
Alan D. Kersey; John P. Dakin; John P. Dakin; Alan D. Kersey; Dilip K. Paul, Editor(s)

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