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Global Advanced Research Journal of Arts and Humanities (GARJAH)

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November 2014 Vol. 3 Issue 1


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Global Advanced Research Journal of Arts and Humanities (GARJAH)
November 2014 Vol. 3(1), pp. 006-011

Copyright © 2014 Global Advanced Research Journals



Full Length Research Paper


Obtaining Dynamical Gain of Nd: YAG Lasers for Determining Pump Threshold


S. N. Hosseinimotlagh


Department of Physics, Shiraz Branch, Islamic Azad University, Shiraz, Iran


E-mail:; Tel: 00989171130929; Fax: 00987116248581




Thin disk lasers are of the solid state lasers like Nd:YAG lasers which have been widely studied in recent years. Nd:YAGlasers produce high powers. In this paper, we first solve rate equations relating to this lasers in dynamic state and consequently obtain the gain of signal and pump of these lasers in time interval of  0-0.1S and our calculations in dynamic state show that Nd:YAG laser has low pump threshold and high gain of signal.


Keywords: Thin, gain,disc, pump, signal.