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High peak power Nd:YAG laser pumped by 600-W diode laser stack

โœ Scribed by Waldemar Zendzian; Jan K. Jabczynski; Jacek Kwiatkowski

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
324 KB
Volume
40
Category
Article
ISSN
0030-3992

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โœฆ Synopsis

The Q-switched laser with triangle slab made of Nd:YAG crystal side pumped by 600-W quasi-cw diode laser stack has been designed. The multimode (M 2 E2.6) output energy of about 42 mJ was demonstrated in free running mode for110-mJ pump energy. In Q-switch experiments, the KDDP Pockels cell was placed between the slab and rear mirror in plane-plane cavity with output coupler of 84% transmission. The energy of 8 mJ in 2.1-ns pulse duration was obtained for near TEM 00 output beam. For passive Q-switching by means of Cr:YAG crystal of 12.6% unsaturated transmission, the energy of 5.1 mJ in 2.5-ns pulse duration was obtained for output beam close to TEM 00 mode.

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