Researching | Analysis of characteristics of Gaussian beam and its application

Laser Technology, Volume. 43, Issue 1, 142(2019)

Analysis of characteristics of Gaussian beam and its application

Dahua YE^*

Author Affiliations

Southwest Institute of Technical Physics, Chengdu 610041, China

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Figures&Tables (4)

References (12)

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Figures & Tables(4)

Fig. 1. Contour of a Gaussian beam near z=0 in the vicinity of the confocal region b=2z_R

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Fig. 2. Ratio of power in the bucket to total power

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Fig. 3. Ratio of power density to average power density

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Table 1.
Comparison of parameters

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Table 1.
Comparison of parameters

parameter	r/w	E_r/E₀	I_r/I₀	P(r)/P_t
r_0.5	0.5	77.88%	60.65%	39.35%
0.5	\begin{document}$\sqrt {\ln 2} $\end{document}=0.833	50.00%	25.00%	75.00%
e	1	1/e=36.79%	1/e²=13.53%	86.47%
X_0.5/X_e	0.833	1.359	1.847	0.867
X_e/X_0.5	1.201	0.736	0.541	1.153
Xr_0.5/X_e	0.5	2.117	4.482	0.455
X_e/Xr_0.5	2	0.472	0.223	2.198
X_0.5/Xr_0.5	1.665	0.642	0.412	1.906
Xr_0.5/X_0.5	0.601	1.558	2.426	0.525

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Dahua YE. Analysis of characteristics of Gaussian beam and its application[J]. Laser Technology, 2019, 43(1): 142

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Paper Information

Received: Aug. 8, 2017

Accepted: --

Published Online: May. 21, 2019

The Author Email: Dahua YE (yedahua@sina.com)

DOI:10.7510/jgjs.issn.1001-3806.2019.01.028

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology