Use of multimode laser diodes in low-coherence coupled-cavity interferometry

Yanong N. Ning; Kenneth T. V. Grattan; William J. O. Boyle; B. T. Meggitt

doi:10.1117/12.20299

1 August 1990 Use of multimode laser diodes in low-coherence coupled-cavity interferometry

Yanong N. Ning, Kenneth T. V. Grattan, William J. O. Boyle, B. T. Meggitt

Proceedings Volume 1267, Fiber Optic Sensors IV; (1990) https://doi.org/10.1117/12.20299
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

Experimental and theoretical investigations of the use of multi-mode laser diodes in a coupled Michelson: Fabry-Perot interferometer and a novel Michelson: Bragg interferometer for fibre-linked interferometry are reported. These results show that the coherence regions of such diodes can be varied over a large range of optical path imbalance of the interferometers allowing the interference region in fibre optic sensors to be tailored to specific sensor applications.

Citation Download Citation

Yanong N. Ning, Kenneth T. V. Grattan, William J. O. Boyle, and B. T. Meggitt "Use of multimode laser diodes in low-coherence coupled-cavity interferometry", Proc. SPIE 1267, Fiber Optic Sensors IV, (1 August 1990); https://doi.org/10.1117/12.20299

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