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首页> 外文期刊>Optics Letters >Asymmetrical-cavity picosecond Raman laser at the water-air interface
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Asymmetrical-cavity picosecond Raman laser at the water-air interface

机译:在水中界面处的不对称腔PICOSECOND拉曼激光器

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摘要

For the first time, to the best of our knowledge, we demonstrated a new type of Raman laser with asymmetrical cavity at the liquid-air interface. We observed an intriguing stimulated Raman scattering (SRS) threshold dependence when the pumping laser beam waist was transferred through the liquid-air interface, and we demonstrated a paradoxical 30-fold SRS threshold reduction in the vicinity of the water-air surface. The minimum SRS threshold was achieved when the pumping laser beam waist was located at the liquid surface. To explain the abnormal SRS threshold dependence, we suggested a new lasing mechanism. Finally, we demonstrated that threshold measurements at the liquid-air interface are a reliable method to quantitatively measure the interaction length in SRS experiments with a focused beam. (C) 2019 Optical Society of America
机译:据我们所知,我们首次展示了一种新型的拉曼激光器,在液体空气界面处具有不对称腔。 当泵送激光束腰围通过液体空气接口转移泵送激光束腰部时,我们观察到一种有趣的刺激的拉曼散射(Srs)阈值依赖性,并且我们证明了在水 - 空气表面附近的矛盾30倍的Srs阈值降低。 当泵送激光束腰部位于液体表面时,实现最小Srs阈值。 为了解释异常的SRS阈值依赖性,我们建议了一种新的激光机制。 最后,我们证明了液体空气接口的阈值测量是可靠的方法,以定量测量具有聚焦光束的SRS实验中的相互作用长度。 (c)2019年光学学会

著录项

  • 来源
    《Optics Letters》 |2019年第20期|共4页
  • 作者单位

    Russian Acad Sci AM Prokhorov Gen Phys Inst 38 Vavilova St Moscow 119991 Russia;

    Russian Acad Sci AM Prokhorov Gen Phys Inst 38 Vavilova St Moscow 119991 Russia;

    Russian Acad Sci AM Prokhorov Gen Phys Inst 38 Vavilova St Moscow 119991 Russia;

    Russian Acad Sci AM Prokhorov Gen Phys Inst 38 Vavilova St Moscow 119991 Russia;

    Natl Acad Sci Belarus Stepanov Inst Phys 68-2 Nezavisimosti Ave Minsk 220072 BELARUS;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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