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介绍一种新型的光学元件，它可把一束激光变换成一个两维的激光平面。本文用多光束干涉的原理解释了光平面形成的原理，同时对应用前景及实用情况也作了一些估计
Introduces a new type of optical element that transforms a laser beam into a two-dimensional laser plane. In this paper, the principle of multi-beam interference is explained by the principle of light plane formation. At the same time, some estimations are also made on the application prospect and practical situation