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应用旋转棱镜和组合光学系统能够将高斯光束变换成“无衍射”贝塞尔（Ｂｅｓｓｅｌ）光束，并能实现实心和环状光束的相互变换。本文对旋转棱镜及其组合系统的成像特征作了详细理论分析和实验研究，得到二者相一致的结果，证实了该光学系统在激光技术中有广泛的应用前景。
The use of a rotating prism and a combined optics transform the Gaussian beam into a “diffraction-free” Bessel beam and allow the solid and annular beams to transform into one another. In this paper, the imaging characteristics of the rotating prism and its combined system are analyzed theoretically and experimentally, and the same results are obtained. It proves that the optical system has a wide range of applications in laser technology.