| Original Articles |
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Efficient Nanosecond Dual-Signal Optical Parametric Generator with a Periodically Phase Reversed PPMgLN |
| JI Feng1;LI Xi-Fu2;ZHANG Bai-Gang1;ZHANG Tie-Li1;WANG Peng1;XU De-Gang1;YAO Jian-Quan1 |
| 1College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 3000722School of Electrical Engineering and Automation, Tianjin University, Tianjin 300072 |
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| Cite this article: |
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JI Feng, LI Xi-Fu, ZHANG Bai-Gang et al 2007 Chin. Phys. Lett. 24 3157-3159 |
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Abstract We report an efficient nanosecond optical parametric generator (OPG) with a periodically-phase-reversed periodically poled MgO:LiNbO3(ppr-PPMgLN), which produces two pairs of signal and idler waves. The OPG is pumped by a 1.064μm Q-switched Nd:YVO4 laser. When the repetition rate is set at 10kHz, the maximum average total output power of 570mW is achieved, including 410mW of dual-signal radiations and 160mW of dual-idler radiations. The total
conversion efficiency is 32.5%. The tunable dual-signal wavelengths in the range of 1.474--1.518μm and 1.490--1.539μm and the dual-idler of 3.826--3.558μm and 3.726--3.451μm are obtained by changing the crystal temperature from 30°C to 200μC.
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| Keywords:
42.65.Yj
42.65.Ky
42.79.Nv
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Received: 21 August 2007
Published: 23 October 2007
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| PACS: |
42.65.Yj
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(Optical parametric oscillators and amplifiers)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.79.Nv
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(Optical frequency converters)
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