光学
横截面
光束
梁(结构)
激光束质量
光束发散
平方米
激光束
激光器
横模
材料科学
光束参数积
物理
结构工程
工程类
作者
Z. Karny,S. Lavi,Oded Kafri
出处
期刊:Optics Letters
[The Optical Society]
日期:1983-07-01
卷期号:8 (7): 409-409
被引量:25
摘要
A method based on moiré deflectometry for direct determination of the number of transverse modes of radiation of a light beam is presented. An expression for the number of transverse modes of a light beam, as a function of the beam divergence, is derived. We demonstrate the method for a Cu-vapor laser-beam analysis.
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