Nested long period grating interferometers

Richard P. Murphy; Stephen W. James; Ralph P. Tatam

doi:10.1117/12.738589

2 July 2007 Nested long period grating interferometers

Richard P. Murphy, Stephen W. James, Ralph P. Tatam

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66193G (2007) https://doi.org/10.1117/12.738589
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

The concept of nested fibre optic long period grating (LPG) based interferometers is introduced. A number of in-series, identical LPGs may be used to form a set of nested, multiplexed Mach-Zehnder interferometers that may demodulated and demultiplexed by virtue of a Fourier analysis of the optical spectrum. The concept is demonstrated by the use of three LPGs to form a nested set of interferometers.

Citation Download Citation

Richard P. Murphy, Stephen W. James, and Ralph P. Tatam "Nested long period grating interferometers", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66193G (2 July 2007); https://doi.org/10.1117/12.738589

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