LiNbO3晶体由于其透光范围广,响应速度快,不易潮解等特点而广泛用于高精度和高速光开关快门.为了将LiNbO3光开关曝光时间拓宽到纳秒领域从而弥补现有高速光开关的不足,阐述了LiNbO3作为光开关的理论原理,对多波段通光的晶体长宽比进行了优化设计,并对LiNbO3纳秒级光开关的可行性进行了实验验证.实验半波电压与理论符合很好,实验光信号和电信号在纳秒级范围内能实现同步响应.研究结果证实了LiNbO3光开关在纳秒级范围内的可行性,并为LiNbO3纳秒级光开关的制作提供了理论和实验依据.
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