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Optical and Quantum Electronics

Erschienen in:

01.08.2020

Temperature distribution and stress analysis of end pumped lasers under Gaussian pump profile

verfasst von: Mohammed Jalal AbdulRazzaq, Khalid S. Shibib, Sudad Issam Younis

Erschienen in: Optical and Quantum Electronics | Ausgabe 8/2020

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Abstract

Modified modeling of thermal effects within a dual end-pumped cylindrical shape laser medium was presented. The temperature distribution and the maximum hoop stress were determined by solving the heat conductance equation in a cylindrical medium. Two different incident beams of 0.6 mm waist radii were suggested, namely, effective and the Gaussian beam radii, where the effective beam radius is smaller by a factor of \(\sqrt 2\) than the Gaussian beam radius. Under these considerations, the radial temperature difference due to an effective beam radius was found to be 23% higher than that for a Gaussian beam radius. The calculations show that the pump power does not affect the location of the maximum hoop stress as the spot does. A discrepancy within 1% was obtained by comparing the obtained results with the experimental work in the literature.

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Titel: Temperature distribution and stress analysis of end pumped lasers under Gaussian pump profile
verfasst von: Mohammed Jalal AbdulRazzaq
Khalid S. Shibib
Sudad Issam Younis
Publikationsdatum: 01.08.2020
Verlag: Springer US
Erschienen in: Optical and Quantum Electronics / Ausgabe 8/2020
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-020-02499-y

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