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Passively Q-switched self-frequency doubling NdxY1−xAl3(BO3)4 laser with Cr4+:YAG saturable absorber

✍ Scribed by Shengzi Zhao; Xingyu Zhang; Qingpu Wang; Songtao Wang; Lianke Sun; Shaojun Zhang; Guangtao Yao; Zhenya Zhang

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
267 KB
Volume
30
Category
Article
ISSN
0030-3992

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✦ Synopsis

Using a new saturable absorber Cr 4+ :YAG as passive Q-switch, we have realized the Q-switched laser running at 0.531 mm with an NYAB self-frequency doubling crystal and measured the single pulse energy and the pulse width under dierent smallsignal transmissions of Cr 4+ :YAG and dierent cavity lengths. Meanwhile, the coupling wave rate equations for Cr 4+ :YAG as a passive Q-switch are given and the experimental results agree with the numerical solution of equations.

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