为了得到光折变性能优良的晶体材料,在LiNbO3中掺进CeO2和Eu2O3,生长Ce:LiNbO3和Ce:Eu:LiNbO3单晶体,对晶体进行极化和氧化还原处理,并利用XRD、UV-VIS及二波耦合光路测试了晶体的晶格常数、吸收光谱、指数增益系数和响应时间.结果表明,Ce:Eu:LiNbO3晶体的晶格常数比Ce:LiNbO3晶体小,其吸收边比Ce:LiNbO3晶体红移更多,指数增益系数比Ce:LiNbO3晶体大,而响应时间比Ce:LiNbO3晶体的要短,Ce:Eu:LiNbO3是优良的光折变晶体材料.
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