Novel analog phase tracker for interferometric fiber optic sensor applications

Timothy A. Berkoff; Alan D. Kersey; Robert P. Moeller

doi:10.1117/12.47690

1 February 1991 Novel analog phase tracker for interferometric fiber optic sensor applications

Timothy A. Berkoff, Alan D. Kersey, Robert P. Moeller

Proceedings Volume 1367, Fiber Optic and Laser Sensors VIII; (1991) https://doi.org/10.1117/12.47690
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

A simple phase tracking circuit for interferometric fiber sensors is described. The scheme is based on the generation of sine and cosine dependent interferometric outputs using phase generated carrier homodyne detection, and cross-multiplication of these outputs with sine/cosine components of an electronically adjustable phase term. The use of the scheme for providing wide dynamic range sensing with an open loop fiber gyroscope is also reported.

Citation Download Citation

Timothy A. Berkoff, Alan D. Kersey, and Robert P. Moeller "Novel analog phase tracker for interferometric fiber optic sensor applications", Proc. SPIE 1367, Fiber Optic and Laser Sensors VIII, (1 February 1991); https://doi.org/10.1117/12.47690

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