And the observed light intensity of quasi-breakdown indicates that the process of photo-refractive is the result of photovoltaic effect in doped lithium niobate.

• 并且通过晶体准击穿时的光折变和衍射光强随时间的变化关系,从实验上进一步说明了掺铁铌酸锂晶体的光折变形成机制。