Thermal optical effect in axisymmetric structural laser resonator |
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| Authors: | Yonggen Xu Yude Li |
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| Institution: | 1. Research Center for Advanced Computation, School of Physics and Chemistry, Xihua University, Chengdu 610039, China;2. College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China |
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| Abstract: | In order to study the thermal optical effect (TOE) resulting from the axisymmetrical sources of thermal energy at the output mirror of CO2 laser, the Heat Conduction Poisson Equation (HCPE) has been solved in the output mirror. Then the temperature distribution is given. The temperature variations will cause the surface distortion and the phase shift at the output mirror. Therefore, the output laser beam will be subject to thermal optical distortion and phase change. The numerical examples are to confirm our calculated results. |
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