Influence of absorbed pump profile on the temperature distribution within a diode side-pumped laser rod |
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| Authors: | M H MOGHTADER DINDARLU M KAVOSH TEHRANI H SAGHAFIFAR A MALEKI GH SOLOOKINEJAD M JABBARI |
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| Institution: | 1.Department of Physics, Marvdasht Branch,Islamic Azad University,Marvdasht,Iran;2.Institute of Optics and Laser,Malek-ashtar University of Technology,Shahin Shahr,Iran;3.Department of Electronic Engineering, Marvdasht Branch,Islamic Azad University,Marvdasht,Iran |
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| Abstract: | In this paper, an analytical model for temperature distribution of the side-pumped laser rod is extracted. This model can be used for side-pumped laser rods whose absorbed pump profile is a Gaussian profile. Then, it is validated by numerical results which exhibit a good agreement with the analytical results. Afterwards, by considering a general expression for super-Gaussian and top-hat profiles, and solving the heat equation, the influence of profile width and super-Gaussian exponent of the profile on temperature distribution are investigated. Consequently, the profile width turns out to have a greater influence on the temperature compared to the type of the profile. |
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