Birefringence sensor based on coupling between exact constituent modes of LP11 in standard fiber

Ian J. Read; David D. Sampson

doi:10.1117/12.169918

9 March 1994 Birefringence sensor based on coupling between exact constituent modes of LP₁₁ in standard fiber

Ian J. Read, David D. Sampson

Proceedings Volume 2070, Fiber Optic and Laser Sensors XI; (1994) https://doi.org/10.1117/12.169918
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

A novel fiber sensor based on the interference of the exact constituent modes of the LP₁₁ fiber mode of a solitary standard-communication-grade optical fiber is demonstrated. The coupling of the constituent modes due to birefringence is shown to produce a linear rotation of the lobes at the fiber output. A novel passive demodulation scheme is used to produce signals in quadrature. A simple demonstration of its application to torsional vibration is presented.

Citation Download Citation

Ian J. Read and David D. Sampson "Birefringence sensor based on coupling between exact constituent modes of LP₁₁ in standard fiber", Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); https://doi.org/10.1117/12.169918

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