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Proceedings Paper

Diode edge-pumped Yb:YAG disk laser
Author(s): A. Khayat Jafari; M. R. Jafari Milani; H. Aminpour; I. Mashaiekhy Asl; J. Sabbaghzadeh
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Paper Abstract

Edge-pumping is very advantageous for pumping disk lasers because it provides a long absorption path for the pump compared with end-pumped one. In the current work, we report an edge-pumped Yb:YAG disk laser pumped from four sides with diode laser stacks. For delivering the pump light into the gain medium, asymmetric hollow ducts have been employed. For any type of disk laser system, the key criterion is a uniform deposition of absorbed pump power and in turn a uniform temperature distribution throughout the disk. We try to meet this restriction by designing an appropriate asymmetric hollow duct. In order to obtain laser output power, a self-consistent numerical model has been developed for simulating lasing properties of our configuration. A Monte Carlo ray tracing based code and two-dimensional finite element analysis have been utilized to calculate the absorption power and temperature distribution inside the crystal, respectively. The model is used to investigate the influence of the effective parameters on the operational efficiency of the disk laser.

Paper Details

Date Published: 18 January 2011
PDF: 11 pages
Proc. SPIE 7747, 16th International School on Quantum Electronics: Laser Physics and Applications, 774717 (18 January 2011); doi: 10.1117/12.882086
Show Author Affiliations
A. Khayat Jafari, Iranian National Ctr. for Laser Science and Technology (Iran, Islamic Republic of)
M. R. Jafari Milani, Iranian National Ctr. for Laser Science and Technology (Iran, Islamic Republic of)
H. Aminpour, Iranian National Ctr. for Laser Science and Technology (Iran, Islamic Republic of)
I. Mashaiekhy Asl, Iranian National Ctr. for Laser Science and Technology (Iran, Islamic Republic of)
J. Sabbaghzadeh, Iranian National Ctr. for Laser Science and Technology (Iran, Islamic Republic of)


Published in SPIE Proceedings Vol. 7747:
16th International School on Quantum Electronics: Laser Physics and Applications
Tanja Dreischuh; Dimitar Slavov, Editor(s)

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