中国物理B ›› 2000, Vol. 9 ›› Issue (11): 841-843.doi: 10.1088/1009-1963/9/11/009
王锋1, 龚旗煌1, 夏宗璜2, 卢希庭2, 沈德忠3, 李旗4
Li Qi (李旗)ab, Xia Zong-huang (夏宗璜)b, Lu Xi-ting (卢希庭)b, Wang Feng (王锋)c, Gong Qi-huang (龚旗煌)c, Shen De-zhong (沈德忠)d
摘要: The photorefractive effects of the as-grown and proton-implanted KNbO3 crystals were studied by two-wave mixing at 62.2μW/cm2 illumination. At this pump power level, the as-grown crystal showed little photorefractive effect, while the proton-implanted crystal showed an obvious effect. Furthermore, there seemed to exist two photorefractive gratings with response times of 22.54 and 1596.30s, at 62.2μW/cm2 pump power level, in the proton-implanted sample. This phenomenon has been attributed to the influence of proton-implantation.
中图分类号: (Phase conjugation; photorefractive and Kerr effects)