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LIU SI-MIN, ZHANG GUANG-YIN, WU ZHONG-KANG, HUANG ZHI-MING, XU LIANG-YING

Acta Phys. Sin., 1985, 34(12): 1595-1602.

doi: 10.7498/aps.34.1595

Abstract
Following our previous work [1], the influence of photo-induced refractive index change on Raman spectra of LiNbO3 crystals doped with 0.07% Fe has been further studied. Anomalous phenomenon appeared in x(zx)z and y(zy)z geometry. This can be explained as the result of interaction between the polarization electrical field of extraordinary phonon and the strong space charge field forming after photo-induced refractive index change in the crystals.
Authors and contacts
LIU SI-MIN¹,

ZHANG GUANG-YIN¹,

WU ZHONG-KANG¹,

HUANG ZHI-MING¹,

XU LIANG-YING²
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