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在光生伏打、自散焦光折变介质LiNbO3∶Fe晶体中写入并存储了圆形与环形波导,并观察到了环形波导之间的相互作用.这种写入波导的方法和技术具有良好的应用前景.We have demonstrated that circular and ring waveguides can be written and stored in photovoltaic and self-defocusing photorefractive medium (LiNbO3∶Fe crystals). The interractions between the ring waveguides have been observed. The methods writing these types of waveguides have important potential applications.
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