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本文报道了一种用空间滤波改善光管式光学均匀性的技术,该技术使用空间滤波器滤除入射光束中光场突变部分,提高了光管式光学均匀器的均匀性能
In this paper, a technique of spatial filtering to improve the optical uniformity of a light pipe is reported. The technique uses a spatial filter to filter out the sudden changes of the light field in the incident beam and improve the uniformity of the optical pipe homogenizer