| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Stable 22-W Low-Noise Continuous-Wave Single-Frequency Nd:YVO4 Laser at 1.06 µm Directly Pumped by a Laser Diode |
| LIU Qin,LIU Jian-Li,JIAO Yue-Chun,FENG Jin-Xia,ZHANG Kuan-Shou** |
| State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006 |
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| Cite this article: |
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LIU Qin, LIU Jian-Li, JIAO Yue-Chun et al 2012 Chin. Phys. Lett. 29 054205 |
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Abstract We report a low-noise continous-wave single-frequency Nd:YVO4 laser at 1.06 µm directly pumped by an 880−nm laser diode. A maximum output power of 22 W is achieved with an optical-to-optical conversion efficiency of 46.3%. The stability of the output is better than ±0.7% in the given four hours. The output beam is almost diffraction−limited with a measured beam quality of Mx2=1.05 and My2=1.02. The intensity noise and the phase noise of the laser reach the shot-noise limit at an analysis frequency of 5 MHz.
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Received: 03 January 2012
Published: 30 April 2012
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| PACS: |
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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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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