| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Period Continuous Tuning of an Efficient Mid-Infrared Optical Parametric Oscillator Based on a Fan-out Periodically Poled MgO-Doped Lithium Niobate |
| XIONG Bo, ZHANG Shu-Bao, GUO Lin, ZHANG Ling, LIN Xue-Chun, LI Jin-Min |
| Laboratory of All-Solid-State Light Sources, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083 |
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| Cite this article: |
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XIONG Bo, ZHANG Shu-Bao, GUO Lin et al 2010 Chin. Phys. Lett. 27 014206 |
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Abstract We report a period continuously tunable, efficient, mid-infrared optical parametric oscillator (OPO) based on a fan-out periodically poled MgO-doped congruent lithium niobate (PPMgLN). The OPO is pumped by a Nd:YAG laser and a maximum idler output average power of 1.65W at 3.93μm is obtained with a pump average power of 10.5W, corresponding to the conversion efficiency of about 16% from the pump to the idler. The output spectral properties of the OPO with the fan-out crystal are analyzed. The OPO is continuously tuned over 3.78-4.58μm (idler) when fan-out periods are changed from 27.0 to 29.4μm. Compared with temperature tuning, fan-out period continuous tuning has faster tuning rate and wider tuning range.
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| Keywords:
42.65.Yj
42.70.Mp
42.60.Fc
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Received: 01 September 2009
Published: 30 December 2009
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| PACS: |
42.65.Yj
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(Optical parametric oscillators and amplifiers)
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42.70.Mp
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(Nonlinear optical crystals)
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42.60.Fc
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(Modulation, tuning, and mode locking)
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