期刊
OPTICS COMMUNICATIONS
卷 190, 期 1-6, 页码 45-49出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0030-4018(01)01088-4
关键词
beam-shaping; diffractive binary optic; phase plate; elliptic beam; diffraction
类别
We propose a new method for transforming an elliptic Gaussian beam, in the near field, into a circular Gaussian beam in the far field. For that, we consider the use of a simple binary diffractive optic which is able to circularize an elliptic beam of 2:1 aspect ratio. (C) 2001 Published by Elsevier Science B.V.
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