| Original Articles |
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Simultaneous Generation of Multi-Wavelength Laser from Nd:YAG Crystals in a Cruciform Cavity |
| CHEN Xiu-Yan1, REN Zhao-Yu1,2, ZHANG Hao-Lei3, LI Xiu1, ZHENG Xin-Liang1,3, CHEN Hao-Wei1, BAI Jin-Tao 1,2,3 |
| 1Institute of Photonics and Photo-technology, Provincial Key Laboratory of Photoelectronic Technology, Northwest University, Xi'an 7100692Shaanxi Engineering Technology Research Center for Solid State Lasers and Application, Northwest University, Xi' an 7100693Department of Physics, Northwest University, Xi'an 710069 |
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| Cite this article: |
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CHEN Xiu-Yan, REN Zhao-Yu, ZHANG Hao-Lei et al 2008 Chin. Phys. Lett. 25 3984-3987 |
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Abstract A cruciform cavity is presented for multi-wavelength laser generation. On the basis of considering the optimal power ratio and good spatial overlap of the two fundamental beams, the maximum output power of 589nm laser reaches 3.5W when the pumping power of Nd:YAG A and Nd:YAG B are 311.5W and 261.8W, respectively. At the same time, the other wavelength lasers are also obtained with the output power distribution of 2.5W at 660nm, 15W at 532nm, 100mW at 1319nm and 240mW at 1064nm. The corresponding beam quality factors are Mx2=4.93, My2=5.01 at 589nm, Mx2=4.51, My2=4.85 at 660nm, and Mx2=4.12, My2=3.96 at 532nm, respectively. The instabilities of the three visible lights are measured, which are also less than 2% within three hours.
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| Keywords:
42.55.-f
42.55.Xi
42.60.Pk
42.65.Ky
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Received: 08 July 2008
Published: 25 October 2008
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| PACS: |
42.55.-f
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(Lasers)
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42.55.Xi
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(Diode-pumped lasers)
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42.60.Pk
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(Continuous operation)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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