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Approximation of supergaussian beams by generalized flattened gaussian beams
被引：11
作者：
Amarande, SA
机构：
来源：
XI INTERNATIONAL SYMPOSIUM ON GAS FLOW AND CHEMICAL LASERS AND HIGH-POWER LASER CONFERENCE
|
1997年
/
3092卷
关键词：
supergaussian beams;
generalized flattened gaussian beams;
beam propagation factor;
kurtosis parameter;
D O I：
10.1117/12.270255
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
Propagation of supergaussian beams, which can be generated by graded-phase resonators, has been treated by approximating these beams with generalized flattened gaussian beams. An optimum approximation is discussed by using characterization parameters and the fitting of the amplitude profiles. Beam propagation factor M-2 and kurtosis parameter add further quantitative information which is appropriate for and confirm the approximation.
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页码：345 / 348
页数：4
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