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Proceedings Paper

Passive laser phase noise suppression technique for fiber interferometers
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Paper Abstract

A novel passive technique for the suppression of low-frequency phase noise in interferometric fiber sensors is proposed. The technique is based on the cancellation of phase noise in the in-phase and quadrature (sine and cosine) components of the interferometer output prior to final demodulation, using the differentiate and cross-multiply methods. The technique was experimentally demonstrated using both an Nd:YAG source and a diode laser-based system. It is shown that the technique can provide a noise reduction of greater than 40 dB. Results of a laboratory-based simulation of this concept are presented.

Paper Details

Date Published: 1 February 1991
PDF: 9 pages
Proc. SPIE 1367, Fiber Optic and Laser Sensors VIII, (1 February 1991); doi: 10.1117/12.24759
Show Author Affiliations
Alan D. Kersey, Naval Research Lab. (United States)
Timothy A. Berkoff, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 1367:
Fiber Optic and Laser Sensors VIII
Ramon P. DePaula; Eric Udd, Editor(s)

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