全面介绍了光折变相干散射噪声的研究状况,描述并分析了形成散射噪声的必要条件及理论机制,说明了散射噪声的观测技术及评价标准;总结了抑制噪声的各种方案及噪声的相关应用,最后展望了光折变散射噪声的研究前景。 This paper introduces the research status of photorefractive coherent scattering noise, describes and analyzes the necessary conditions and theoretical mechanism of forming scattering noise, and describes the observation and evaluation criteria of scattering noise. It also summarizes the various schemes to suppress noise and the correlation of noise Finally, the prospect of photorefractive scattering noise is forecasted.