Reducing the uncertainty in laser beam size measurement with a scanning edge method

被引：36

作者：

Veshapidze, G. ^{[1
]}

Trachy, M. L. ^{[1
]}

Shah, M. H. ^{[1
]}

DePaola, B. D. ^{[1
]}

机构：

[1] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

来源：

APPLIED OPTICS | 2006年 / 45卷 / 32期

关键词：

D O I：

10.1364/AO.45.008197

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A modification in the analysis of a conventional laser beam spot size measurement method has been developed. The new analysis significantly decreases the uncertainty in the estimation of the beam-spot size. A conventional beam scanning approach was used in the measurement, but instead of differentiating the data and fitting the result to a Gaussian function, the data were fit to an analytical approximation to the complementary error function. As a result, fitted parameters were obtained that were consistent with the standard differentiation approach, but with considerably smaller uncertainty. (c) 2006 Optical Society of America.

引用

页码：8197 / 8199

页数：3