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- Title
Comparison of passively Q-switched laser performance of two composite Nd:YVO $$_{4}$$ /Nd:YVO $$_{4}$$ /Nd:YVO $$_{4}$$ crystals with Cr $$^{4+}$$ :YAG saturable absorber.
- Authors
Wang, Xiaomei; Li, Guiqiu; Zhao, Shengzhi; Li, Shixia; Li, Dechun; Yang, Kejian; Zhang, Lu; Guo, Yujin; Feng, Tianli; Chu, Hongwei
- Abstract
The passively Q-switched Nd:YVO $$_{4}$$ /Nd:YVO $$_{4}$$ /Nd:YVO $$_{4 }$$ 1.06- $$\upmu $$ m laser has been demonstrated by using Cr $$^{4+}$$ :YAG as saturable absorber. The characteristics are compared under different Nd-doped concentrations of laser crystals and different initial transmissions (T $$_0 )$$ of saturable absorbers. With an incident pump power of 6.52 W, the composite Nd(0.1 at.%):YVO $$_{4}$$ /Nd(0.5 at.%):YVO $$_{4}$$ /Nd(1.0 at.%):YVO $$_{4}$$ laser obtained the maximum average output power of 932 mW and the largest single pulse energy of 5.1 $$\upmu $$ J when T $$_0 =88$$ %. The shortest pulse width of 25 ns and the highest peak power of 177.4 W were achieved with T $$_0 =79$$ % for the composite Nd(0.1 at.%):YVO $$_{4}$$ / Nd(0.3 at.%):YVO $$_{4}$$ /Nd(0.8 at.%):YVO $$_{4}$$ crystal.
- Subjects
Q-switched lasers; COMPOSITE materials; CRYSTAL optics; NEODYMIUM; LIGHT transmission
- Publication
Optical & Quantum Electronics, 2015, Vol 47, Issue 5, p1219
- ISSN
0306-8919
- Publication type
Article
- DOI
10.1007/s11082-014-9978-z