Photorefractive properties of Ca2+doped sodium barium niobate crystals
Ca2+掺杂铌酸锶钡晶体的光折射变化特性研究

The electronic mechanism of Ca2+ doped sodium barium niobate crystals and the change in induced photorefractive properties are studied based on its transmission properties. Curves of the refractive index changing with time are plotted using Michelson interferometry. Experimental results show that proper Ca2+doping in sodium barium niobate crystals can improve the photorefractive properties effectively.