Passively Q-switched,high peak power Nd:YAG laser pumped by QCW diode laser |
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| Authors: | Kangin Lee Hyeon Cheor Lee Joon-Yong Cho Jae-Cheul Lee Jonghoon Yi |
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| Affiliation: | 1. Department of Physics, Yeungnam University, 214-1Dea-dong, Gyeongsan-si, Gyeongsangbuk-do712-749, Republic of Korea;2. Department of Inertial Technology and Laser System, Hanwha Corporation R&D Center, 52-1 Woisam-dong, Yuseong-gu, Deajeon-si 305-156, Republic of Korea |
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| Abstract: | A Nd:YAG laser passively Q-switched by a Cr:YAG showed a high single pulse energy of 53.0 mJ and 5.1 MW peak power. The laser was pumped by quasi-continuous-wave diode bars from single side. The Q-switched pulse had optical-to-optical efficiency of 12% and average temporal duration of 10.4 ns when Cr:YAG with initial transmission of 9.0% was used. Intense pumping as well as very low initial transmission of the saturable absorber gave very high peak power. |
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