Time-resolved spatial structure of TEA CO2 laser pulses

被引：0
|
作者：
C. Martínez
J. Serna
F. Encinas-Sanz
R. Martínez-Herrero
P. M. Mejías
机构：
[1] Universidad Complutense,Departamento de Óptica, Facultad de Ciencias Físicas
来源：
Optical and Quantum Electronics | 2000年 / 32卷
关键词：
bidimensional characterization; electro-optical; Hermite-Gauss modes; laser pulse; TEA CO; laser;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The evolution of the intensity profile of TEA CO2 laser pulses along the pulse length is investigated both analytically and experimentally. A simple scalar model of the pulse amplitude is introduced, which gives the loaded-cavity modes as a linear combination of bidimensional Hermite-Gauss functions. According to this model a number of equations are derived which link the time-varying spatial structure of the pulse to its time-resolved second-order intensity moments, namely, the beam width and the M2 parameter.
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页码：17 / 30
页数：13
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