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High-resolution femtosecond laser beam shaping via digital holography

机译:通过数字全息术塑造高分辨率飞秒激光束

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摘要

We propose a method to achieve high-resolution femtosecond laser beam shaping (HR-FLBS) via digital holography based on a digital mirror device (DMD) and optimized optical design. By programming the hologram on the DMD, we captured several patterns such as light spots, decorated letters of "HUST" (Huazhong University of Science and Technology), and a series of concentric annuli whose fine structure approaches the optical diffraction limit. The experimental results confirm that the proposed method can shape the amplitude and phase of a femtosecond laser arbitrarily with high resolution. (C) 2019 Optical Society of America
机译:我们提出了一种基于数字镜装置(DMD)和优化光学设计来实现高分辨率飞秒激光束整形(HR-FLB)的方法。 通过对DMD上的全息图进行编程,我们捕获了几种模式,如淡斑,装饰的“呼气”(华中大学科技大学),以及一系列同心园,其精细结构接近光学衍射极限。 实验结果证实,该方法可以用高分辨率任意地形成飞秒激光的幅度和相位。 (c)2019年光学学会

著录项

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

    Huazhong Univ Sci &

    Technol Britton Chance Ctr Biomed Photon Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Britton Chance Ctr Biomed Photon Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Britton Chance Ctr Biomed Photon Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Britton Chance Ctr Biomed Photon Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Britton Chance Ctr Biomed Photon Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

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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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