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Nonlinear laser dynamics induced by frequency shifted optical feedback: application to vibration measurements

机译:频率偏移光学反馈引起的非线性激光动力学:应用于振动测量

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摘要

In this article, we study the nonlinear dynamics of a laser subjected to frequency shifted optical reinjection coming back from a vibrating target. More specifically, we study the nonlinear dynamical coupling between the carrier and the vibration signal. The present work shows how the nonlinear amplification of the vibration spectrum is related to the strength of the carrier and how it must be compensated to obtain accurate (i.e., without bias) vibration measurements. The theoretical predictions, confirmed by numerical simulations, are in good agreement with the experimental data. The main motivation of this study is the understanding of the nonlinear response of a laser optical feedback imaging sensor for quantitative phase measurements of small vibrations in the case of strong optical feedback. (C) 2016 Optical Society of America
机译:在本文中,我们研究了从振动靶回来的频移光学再次反射的激光的非线性动力学。 更具体地,我们研究了载体和振动信号之间的非线性动态耦合。 本工作表明了振动谱的非线性放大如何与载体的强度有关以及如何补偿,以获得精确(即,没有偏置)振动测量。 通过数值模拟证实的理论预测与实验数据吻合良好。 该研究的主要动机是了解激光光学反馈成像传感器的非线性响应,用于在强光反馈的情况下进行小振动的定量相位测量。 (c)2016年美国光学学会

著录项

  • 来源
    《Applied optics》 |2016年第34期|共10页
  • 作者单位

    Univ Grenoble Alpes CNRS LIPhy F-38000 Grenoble France;

    Pontifical Univ Catholic CETUC BR-22453900 Rio De Janeiro Brazil;

    Univ Grenoble Alpes CNRS LIPhy F-38000 Grenoble France;

    Univ Grenoble Alpes CNRS LIPhy F-38000 Grenoble France;

    Univ Grenoble Alpes CNRS LIPhy F-38000 Grenoble France;

    Univ Grenoble Alpes CNRS LIPhy F-38000 Grenoble France;

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  • 正文语种 eng
  • 中图分类 应用;
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