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Proceedings Paper

Optical fiber Bragg grating accelerometer
Author(s): Stephanus J. Spammer; Peter L. Fuhr; Yinian Zhu; Anatoli A. Chtcherbakov
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Paper Abstract

A cantilever beam and fiber Bragg grating is used to measure acceleration. The cantilever induces strain on the grating resulting in a Bragg wavelength modification which is subsequently detected. The output signal is insensitive to temperature variations and for a temperature change from -20 degrees Celsius to 40 degrees Celsius, the output signal fluctuated less than 5% without any temperature compensation schemes. Because the sensor does not utilize expensive and complex demodulation techniques it is potentially inexpensive. For the experimental system a linear output range of 8 g could be detected.

Paper Details

Date Published: 7 May 1999
PDF: 5 pages
Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); doi: 10.1117/12.347726
Show Author Affiliations
Stephanus J. Spammer, Rand Afrikaans Univ. (United States)
Peter L. Fuhr, Univ. of Vermont (United States)
Yinian Zhu, Rand Afrikaans Univ. (Singapore)
Anatoli A. Chtcherbakov, Rand Afrikaans Univ. (South Africa)

Published in SPIE Proceedings Vol. 3740:
Optical Engineering for Sensing and Nanotechnology (ICOSN '99)
Ichirou Yamaguchi, Editor(s)

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