| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Compact Continuous-Wave Nd:YVO4 Laser with Self-Raman Conversion and Sum Frequency Generation |
| ZHU Hai-Yong1**, ZHANG Ge2, DUAN Yan-Min2, HUANG Cheng-Hui2, WEI Yong2
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1College of Physics and Electronic Information, Wenzhou University, Wenzhou 325035
2Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002
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| Cite this article: |
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ZHU Hai-Yong, ZHANG Ge, DUAN Yan-Min et al 2011 Chin. Phys. Lett. 28 054202 |
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Abstract Low threshold and compact cw Nd:YVO4 self−Raman lasers at 1176 nm and sum-frequency mixing of fundamental and first-Stokes wavelengths are demonstrated. A 20-mm Nd:YVO4 crystal is adopted in a compact plane-concave resonator. The results show that the cw Raman conversion is sensitive to cavity length. At an incident pump power of 22.5 W, output power of 1.53 W at 1175.6 nm is achieved, corresponding to the threshold of only 0.8 W and the slop efficiency of 8.1%. Intra-cavity sum-frequency generation is realized in a type-II phase-matching cut KTP crystal, 480 mW at 558.6 nm is obtained at incident pump power of 12 W.
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| Keywords:
42.55.Ye
42.65.Ky
42.55.Rz
42.55.Xi
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Received: 10 November 2010
Published: 26 April 2011
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| PACS: |
42.55.Ye
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(Raman lasers)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.55.Xi
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(Diode-pumped lasers)
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