期刊
OPTICS COMMUNICATIONS
卷 184, 期 1-4, 页码 105-112出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0030-4018(00)00961-5
关键词
Laguerre-Gaussian beam; Bessel beam; axicon
类别
A simple analytic expression describing the field of various orders of Bessel light beams produced by an axicon is obtained. The focusing properties of an axicon are discussed. The focal length of an axicon as well as the depth of focus for various orders of Bessel beams are determined. (C) 2000 Elsevier Science B.V. All rights reserved.
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