Brillouin scattering on refractive index and acoustic physical constants of LiTaO3  single crystal
WU Bingxin, WANG Xianyang, WANG Xu, WU Yongquan
Journal of Shanghai University(Natural Science Edition) . 2021, (4): 659 -665 .  DOI: 10.12066/j.issn.1007-2861.2162