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27 November 2023 Uncertainty on Brillouin scattering measurements on bulk materials using a power laser
Patrice Salzenstein, Thomas Y. Wu
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Proceedings Volume 12760, Advanced Lasers, High-Power Lasers, and Applications XIV; 127600M (2023) https://doi.org/10.1117/12.2689285
Event: SPIE/COS Photonics Asia, 2023, Beijing, China
Abstract
Through this paper, we describe the method leading to the estimation of the uncertainty. We aim to give an estimation of the uncertainty on the frequency peak by Brillouin Scattering Stimulation. It corresponds to the speed of phonons inside a material excited by a 532nm wavelength laser. The guideline follows the Guide to the Expression of Uncertainty in Measurement and its estimation is of 0.26% on the Brillouin frequency peak at 15.70 GHz for polymethyl methacrylate (PMMA).
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Patrice Salzenstein and Thomas Y. Wu "Uncertainty on Brillouin scattering measurements on bulk materials using a power laser", Proc. SPIE 12760, Advanced Lasers, High-Power Lasers, and Applications XIV, 127600M (27 November 2023); https://doi.org/10.1117/12.2689285
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KEYWORDS
Measurement uncertainty
Light scattering
Interferometers
Polymethylmethacrylate
Uncertainty analysis
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