Demonstration of a static Fourier transform spectrometer

Mary Bliss; Richard A. Craig; Norman C. Anheier Jr.

doi:10.1117/12.339080

3 February 1999 Demonstration of a static Fourier transform spectrometer

Mary Bliss, Richard A. Craig, Norman C. Anheier Jr.

Proceedings Volume 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII; (1999) https://doi.org/10.1117/12.339080
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

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.

Citation Download Citation

Mary Bliss, Richard A. Craig, and Norman C. Anheier Jr. "Demonstration of a static Fourier transform spectrometer", Proc. SPIE 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII, (3 February 1999); https://doi.org/10.1117/12.339080

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