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10 June 2024 Generalized noise framework for Brillouin fiber sensors
Joseph B. Murray, Brandon Redding
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Proceedings Volume 13044, Optical Waveguide and Laser Sensors III; 1304403 (2024) https://doi.org/10.1117/12.3013408
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
We introduce a new noise analysis for distributed Brillouin fiber sensors comparing the prominent approaches to recovering the Brillouin resonance frequency. We demonstrate that all of these techniques, despite differences in mathematical recovery of the Brillouin frequency shift, have largely similar noise performance. We then use this noise framework to show the essential components of low noise Brillouin fiber sensing measurements and show how optimization of these components can improve sensitivity.
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Joseph B. Murray and Brandon Redding "Generalized noise framework for Brillouin fiber sensors", Proc. SPIE 13044, Optical Waveguide and Laser Sensors III, 1304403 (10 June 2024); https://doi.org/10.1117/12.3013408
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KEYWORDS
Fiber optics sensors
Relative intensity noise
Analytics
Fiber lasers
Laser frequency
Scattering
Sensors
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