Journal
OPTICS LETTERS
Volume 34, Issue 2, Pages 151-153Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000151
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Funding
- National Natural Science Foundation of China (NSFC) [50672050, 50721002]
- Grant for State Key Program of China [2004CB619002]
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We demonstrate the high-power dual-wavelength laser output with disordered Nd:CNGG laser crystals. Continuous-wave output power of 4.03 W was obtained under the incident pump power of 15.62 W. In the passively Q-switched operation, the shortest pulse width, largest pulse energy, and highest peak power were achieved to be 12.9 ns, 173.16 mu J, and 12.3 kW, respectively, with Cr4+:YAG crystals as the saturable absorbers. By spectral analysis, the output lasers were found to have dual wavelengths. We believed that the passively Q-switched dual-wavelength laser should be possible to be used as a source for the generation of terahertz radiation. (C) 2009 Optical Society of America
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