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首页> 外文期刊>Optical Materials >Extra-cavity, widely tunable, continuous wave MgO-doped PPLN optical parametric oscillator pumped with a Nd:YVO_4 laser
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Extra-cavity, widely tunable, continuous wave MgO-doped PPLN optical parametric oscillator pumped with a Nd:YVO_4 laser

机译:带有Nd:YVO_4激光器泵浦的超腔,可调谐,连续波掺杂MgO的PPLN光学参量振荡器

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摘要

An extra-cavity, widely tunable, and continuous wave (CW) singly resonant optical parametric oscillator (SRO) based on MgO-doped periodically poled lithium niobate (PPMgLN) has been developed. A Nd:YVO_4 laser pumped by 808 nm laser diode array (LDA) is used as the pump source. The threshold value of the SRO system is only 1.86 Wat 1064 nm. 1101.1 mWof idler output at 3.217 μm and 2004.3 mW of signal output at 1.590 μm have been achieved when the pump power is 8.76 W, and this corresponds to a total (idler + signal) optic-optic conversion efficiency of 35.5%. The periods of the domain structure on the PPMgLN wafer can be changed by shifting the PPMgLN crystal, thus enabling a widely tunable mid-infrared spectrum of 3.026-4.485 μm, and signal wavelengths widely tunable in range of 1.395-1.641 um. Along with the signal and idler light, the visible and near-infrared spectrum (697.5-820.5 nm, 603.6-645.5 nm, 532 nm, 421.3-463.3 nm) is observed. This OPO system is compact, simple and operated at room temperature.
机译:已经开发了一种基于MgO掺杂的周期性极化铌酸锂(PPMgLN)的超腔,可广泛调谐和连续波(CW)单谐振光学参量振荡器(SRO)。由808 nm激光二极管阵列(LDA)泵浦的Nd:YVO_4激光器用作泵浦源。 SRO系统的阈值仅为1.86瓦1064 nm。当泵浦功率为8.76 W时,可实现1101.1 mW的惰轮输出(3.217μm)和2004.3 mW的信号输出(1.590μm),这相当于总的(空闲+信号)光转换效率为35.5%。可通过移动PPMgLN晶体来更改PPMgLN晶片上的畴结构的周期,从而实现3.026-4.485μm的可广泛调谐的中红外光谱,以及可在1.395-1.641 um范围内广泛调谐的信号波长。与信号光和闲置光一起,观察到可见光谱和近红外光谱(697.5-820.5 nm,603.6-645.5 nm,532 nm,421.3-463.3 nm)。该OPO系统紧凑,简单,可在室温下运行。

著录项

  • 来源
    《Optical Materials》 |2009年第1期|257-260|共4页
  • 作者单位

    Changchun Institute of Optics. Fine Mechanics and Physics Chinese Academy of Sciences. Changchun 130033 China Graduate University of Chinese Academy of Sciences Beijing W0049 China;

    Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun 130033 China;

    Department of Optoelectronic Science Harbin Institute of Technology at Weihai Weihai 264209 China;

    Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun 130033 China Graduate University of Chinese Academy of Sciences Beijing W0049 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    optical parametric oscillator; PPMgLN; mid-infrared; nonlinear crystal;

    机译:光学参量振荡器;PPMgLN;中红外非线性晶体;

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