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Comparison between four-level model and six-temperature model on the description of a simple mechanical Q-switched CO2 laser

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7 Author(s)
Wang, Tie-Jun ; Key Laboratory of Coherent Light and Atomic and Molecular Spectroscopy of Ministry of Education and College of Physics, Jilin University, Changchun, 130023, People’s Republic of China ; He, Qiong-Yi ; Gao, Jin-Yue ; Sun, Han
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We investigate both the four-level model and the six-temperature model to describe the dynamical processes of a simple mechanical Q-switched CO2 laser that is realized by a fast chopper. The Q-switched process and the effect of the dynamic parameters on the output intensity of the Q-switched CO2 laser are reported using the two models. Theoretical comparisons between the two models on the effect of dynamical parameters, and the experimental results are presented. Both the models are well consistent with the experimental one for the main output laser pulse.

Published in:

Journal of Applied Physics  (Volume:100 ,  Issue: 2 )

Date of Publication:

Jul 2006

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