photorefractive effect

例句：

1. 1. The photorefractive effect of the crystal is used in holography.
   这种晶体的光折变效应被用于全息术。
2. 2.The researcher found that the photorefractive effect could be used to enhance the resolution of optical imaging systems.
   研究者发现，光折变效应可以用来提高光学成像系统的性能。
3. 3. The photorefractive effect has been widely applied in various fields such as medicine and engineering.
   光折变效应在医学和工程学等多个领域得到了广泛应用。