Abstract
The seawater salinity and temperature of an ocean are key parameters required for environmental evaluation, with Raman and Brillouin scattering techniques offering a potentially accurate approach. A method for Brillouin scattering spectrum measurement based on a double-edge technique is proposed, and a retrieval model for simultaneously acquiring Brillouin shifts and linewidths is built. The accuracy of the proposed retrieval model is analyzed using simulations, and the results show that this double-edge technique provides good performance in terms of Brillouin scattering spectrum reconstitution and is a feasible method for simultaneous seawater temperature and salinity inversion.
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The authors thank GuangXi innovative Development Grand Grant under No. GuiKe AA 18118038.
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Liang, K., Zhang, R., Sun, Q. et al. Brillouin shift and linewidth measurement based on double-edge detection technology in seawater. Appl. Phys. B 126, 160 (2020). https://doi.org/10.1007/s00340-020-07509-1
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DOI: https://doi.org/10.1007/s00340-020-07509-1