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Opt Lett ; 37(11): 1986-8, 2012 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-22660096

RESUMO

A flash lamp pumped 2.09 µm Cr, Tm, Ho:YAG laser utilizing a self-grown La(3)Ga(5)SiO(14) crystal as the electro-optic Q-switch generator is proposed and demonstrated for the first time. Operating at 3 Hz repetition rate, 520 mJ pulse energy with 35 ns pulse width is achieved by optimizing the Q-switch delay time and compensating for the thermal depolarization with a quarter-wave plate. The corresponding peak power is 14.86 MW, and the Q-switched-to-normal-mode energy extraction efficiency is 66.3%. To our knowledge, this Q-switched giant pulse is the best result reported to date in 2.09 µm laser resonator.


Assuntos
Eletricidade , Lasers de Estado Sólido , Fenômenos Ópticos , Silicatos , Fatores de Tempo
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