%0 Journal Article %A Dezhkam, M. %A Soltanolkotabi, M. %T 1.7MW Nd:YAG Laser Pulse Generation by A Passive BDN Q-switch %J International Journal of Optics and Photonics %V 3 %N 1 %U http://ijop.ir/article-1-212-en.html %R %D 2009 %K Dye, Nd:YAG laser, passive Qswitching, polymer., %X This paper describes the passive Qswitch, based on polymer and organic dye BDN, of a pulsed Nd:YAG laser. Pulses of 27ns duration and peak power of 1.7MW for initial transmission of Q-switch 18.4% 0 T = have been obtained. We have obtained Q-switching efficiency of 77% for train of pulses of 31 and 76.2% 0 T = at the pump energy of 98J. We have also obtained the dependency of laser pulse characteristics on pump energy and initial transmission of Q-switch. We have obtained the damage threshold of this Q-switch at the pulse duration of 27ns to be13J cm2 . %> http://ijop.ir/article-1-212-en.pdf %P 27-32 %& 27 %! %9 Research %L A-10-159-1 %+ Department of Physics, University of Shiraz %G eng %@ 1735-8590 %[ 2009