Brillouin shift and linewidth measurement based on double-edge detection technology in seawater

被引：0
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作者：
K. Liang
R. Zhang
Q. Sun
Y. Xu
H. Wu
P. Zhang
B. Zhou
机构：
[1] Huazhong University of Science and Technology,School of Electronics and Information Engineering
[2] Beijing Institute of Space Mechanics and Electricity,undefined
[3] The Third Department,undefined
[4] China Ship Research and Development Academy,undefined
来源：
Applied Physics B | 2020年 / 126卷
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摘要：
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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