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Real-time control of polarisation in ultra-short-pulse laser micro-machining

机译:超短脉冲激光微加工中偏振的实时控制

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摘要

The use of a fast-response, transmissive, ferroelectric liquid-crystal device for real-time control of the polarisation direction of a femtosecond laser beam, and the benefits for various aspects of ultra-short pulse micro-machining, are discussed. Several configurations have been used to drive the polarisation in real-time. Our microscopic investigations of the resulting features revealed significant improvements in process efficiency and quality, compared to static linear and circular polarisations. Following our successful micro-machining tests, real-time polarisation control could emerge as a powerful tool in laser engineering.
机译:讨论了使用快速响应的透射铁电液晶器件实时控制飞秒激光束的偏振方向,以及超短脉冲微加工各个方面的好处。已经使用了几种配置来实时驱动极化。我们对所产生特征的微观研究表明,与静态线性和圆极化相比,过程效率和质量有了显着提高。在我们成功进行微加工测试之后,实时偏振控制可能会成为激光工程中的强大工具。

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  • 来源
    《Applied Physics》 |2012年第2期|p.445-454|共10页
  • 作者单位

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Laser Group, School of Engineering, University of Liverpool, L69 3GQ, Liverpool, UK;

    Boulder Nonlinear Systems, Inc., Lafayette, CO 80026, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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