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Nd:YAG laser pumped at 946 nm

机译:Nd:泵浦波长为946 nm的YAG激光

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摘要

A Nd:YAG laser crystal was pumped at 946 nm and lased at 1064 nm. This pump–lase format was investi-ngated in order to reduce the quantum defect between the pump and laser photons as compared to othernpump schemes of this material. To the best of our knowledge, this is the first realization of this scheme. Anroom temperature absorption coefficient and linewidth of u00010.075 cm−1 and u00011nm for 1% at. Nd+3 concen-ntrations were measured for the 946 nm absorption line. Those parameters impose both narrow-bandwidthnpumping and a long absorption path. By increasing the laser crystal temperature above room temperature,nthe absorption cross sections at 946 and 938 nm increase due to enhanced thermal population of the uppernenergy level of the ground manifold. The possibility of exploiting this phenomenon to enhance the pumpnabsorption is also discussed. © 2008 Optical Society of America
机译:将Nd:YAG激光晶体泵浦到946 nm处并发射1064 nm激光。为了减少泵浦和激光光子之间的量子缺陷,与这种材料的其他泵浦方案相比,研究了这种泵浦-激光格式。据我们所知,这是该方案的第一个实现。室内温度吸收系数和u00010.075 cm-1和u00011nm的线宽为1%at。测量了946 nm吸收线的Nd + 3浓度。这些参数强加了窄带宽泵送和长吸收路径。通过将激光晶体温度提高到室温以上,由于接地歧管上能级的热量增加,在946和938 nm处的吸收截面增加。还讨论了利用这种现象来增强泵吸的可能性。 ©2008美国眼镜学会

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  • 来源
    《Optics Letters》 |2008年第7期|p.669-671|共3页
  • 作者单位

    Electro-Optics Division, Soreq Nuclear Research Center, Yavne 81800, Israel* Corresponding author: sharone@soreq. gov.il;

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  • 正文语种 eng
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