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. 2020 Jan 22;11(2):1020–1031. doi: 10.1364/BOE.380798

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Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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Fig. 3. — Example of a typical unprocessed experimental Brillouin spectrum of distilled water obtained using a 100 ms acquisition time ( $SNR \sim 5$ ) (blue). Corresponding reconstructed spectra as found using the WA (orange) and MER (yellow) algorithms are also shown. Note that spectra have been vertically shifted to improve visibility.