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Proceedings Paper

Utilization Of Acousto-Optic Frequency Shifters In Fiber-Optic Sagnac Sensors
Author(s): R. J. Michal; E. Udd; J. P. Theriault
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Paper Abstract

Traditionally the Sagnac fiber-optic sensor has been used to make measurements of rotation. By utilizing acousto-optic modulators to provide a frequency difference between the counterpropagating light beams in the sensing coil other environmental disturbances can be measured with high accuracy. A discussion of the various configurations used to cause a frequency difference between the counterpropagating light beams is given. A description of a laboratory model using one of these configurations is discussed and data demonstrating the ability to measure environmental disturbances accurately is presented.

Paper Details

Date Published: 10 June 1987
PDF: 6 pages
Proc. SPIE 0753, Acousto-Optic, Electro-Optic, & Magneto-Optic Devices & Applications, (10 June 1987); doi: 10.1117/12.939950
Show Author Affiliations
R. J. Michal, McDonnell Douglas Astronautics Company (United States)
E. Udd, McDonnell Douglas Astronautics Company (United States)
J. P. Theriault, McDonnell Douglas Astronautics Company (United States)


Published in SPIE Proceedings Vol. 0753:
Acousto-Optic, Electro-Optic, & Magneto-Optic Devices & Applications
John A. Lucero, Editor(s)

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