Acta Optica Sinica, Volume. 14, Issue 7, 696(1994)
Raman Spectroscopic Anomaly of Nd-Doped Lithium Tantalate at Backscattering Geometries
Raman spectra of Nd-doped LiTaO3 have been studied at backscattering geometries. In comparison with those of pure LiTaO3, it is found that not only E(TO+LO) modes turned into Al (TO) modes in partial geometries but also new vibrational modes appeared and intensities of some modes changesed. We attribute the phnomena to the stronger photo- induced refractive index change and the changes ofLiTaO3 microstructure resulted from doping Nd.
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[in Chinese], [in Chinese], [in Chinese]. Raman Spectroscopic Anomaly of Nd-Doped Lithium Tantalate at Backscattering Geometries[J]. Acta Optica Sinica, 1994, 14(7): 696