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2012•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIEOpen access

Rating the performance of a Brillouin distributed fiber sensor

Luc Thévenaz, Marcelo A. Soto

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Abstract

The effect of the characteristics of a generic distributed fiber sensor based on stimulated Brillouin scattering on the amplitude of the response is analyzed and a relation between the measurement noise on the time traces and the error on the determination of the Brillouin frequency shift is established. This makes possible to propose a simple figure-of-merit to fairly compare the performance of Brillouin distributed sensing systems.

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What this paper is about

The effect of the characteristics of a generic distributed fiber sensor based on stimulated Brillouin scattering on the amplitude of the response is analyzed and a relation between the measurement noise on the time traces and the error on the determination of the Brillouin frequency shift is established. This makes possible to propose a simple figure-of-merit to fairly compare the performance of Brillouin distributed sensing systems.

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Available abstract

The effect of the characteristics of a generic distributed fiber sensor based on stimulated Brillouin scattering on the amplitude of the response is analyzed and a relation between the measurement noise on the time traces and the error on the determination of the Brillouin frequency shift is established. This makes possible to propose a simple figure-of-merit to fairly compare the performance of Brillouin distributed sensing systems.

Key concepts: Brillouin scattering, Brillouin zone, Figure of merit, Optical fiber, Noise (video), Fiber optic sensor, Fiber, Optics

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