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测量了质子交换LiNbO3,波导层的红外光谱和光电导.实验结果表明,它们抗光折变能力的提高所造成的是其光电导比纯LiNbO3,晶体高5—10倍.The far IR spectra and the photoconductivity of the proton-exchange LiNbO3 waveguide were measured. Experimental results show that the machanism of good photorefractive damage resistance of protonexchange LiNbO3 waveguide is related to the fact that its photoconductivity is 5-10 times higher than that of pure LiNbO3 crystal.
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