Abstract
In this paper, we report the experimental results of a pulsed flash lamp Nd:YAG laser at wavelength of 1064 nm and Q-switched by Cr 4+:YAG solid state saturable absorber. We have obtained the output energy ( E) and pulse- width ( τ p ) of this laser for various initial transmissions of this saturable absorber. Furthermore, the effect of reflectivity of the output coupler ( R), diameter of the rod ( d), and optical length of the cavity ( l) on this laser output data have been investigated. We have used the corner cube as a back mirror, which shows high laser stability and better brightness. We have obtained pulse-width 15 ns with 31 mJ output energy. We have also analyzed this laser theoretically and analytically, which agrees well with our corresponding experimental results.
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