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High numerical aperture Hartmann wave front sensor for extreme ultraviolet spectral range

机译:高数孔径Hartmann波前传感器,用于极端紫外线谱

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摘要

We present a novel, to the best of our knowledge, Hartmann wave front sensor for extreme ultraviolet (EUV) spectral range with a numerical aperture (NA) of 0.15. The sensor has been calibrated using an EUV radiation source based on gas high harmonic generation. The calibration, together with simulation results, shows an accuracy beyond lambda/39 root mean square (rms) at lambda = 32 nm. The sensor is suitable for wave front measurement in the 10 nm to 45 nm spectral regime. This compact wave front sensor is high-vacuum compatible and designed for in situ operations, allowing wide applications for up-to-date EUV sources or high-NA EUV optics. (C) 2020 Optical Society of America
机译:我们提出了一种新颖,据我们所知,用于极端紫外(EUV)光谱范围的Hartmann波前传感器,其数值孔径(NA)为0.15。 使用基于气体高谐波产生的EUV辐射源校准传感器。 校准以及仿真结果,在Lambda = 32nm处的Lambda / 39根均线(RMS)之外的精确度。 传感器适用于10nm至45nm光谱系统中的波正面测量。 该紧凑型波浪前传感器高真空兼容,为原位运行设计,允许广泛的应用最新EUV源或高NA EUV光学器件。 (c)2020美国光学学会

著录项

  • 来源
    《Optics Letters》 |2020年第15期|共4页
  • 作者单位

    Shenzhen Technol Univ Ctr Adv Mat Diagnost Technol Shenzhen 518118 Peoples R China;

    Ecole Polytech IP Paris Lab Opt Appl ENSTA ParisTech CNRS UMR 7639 Palaiseau France;

    Queens Univ Belfast Ctr Plasma Phys Sch Math &

    Phys Belfast BT7 1NN Antrim North Ireland;

    Ecole Polytech IP Paris Lab Opt Appl ENSTA ParisTech CNRS UMR 7639 Palaiseau France;

    Ecole Polytech IP Paris Lab Opt Appl ENSTA ParisTech CNRS UMR 7639 Palaiseau France;

    DESY D-22607 Hamburg Germany;

    Imagine Opt 18 Rue Charles de Gaulle F-91400 Orsay France;

    Imagine Opt 18 Rue Charles de Gaulle F-91400 Orsay France;

    Inst Super Tecn Grp Lasers &

    Plasmas Inst Plasmas &

    Fusao Nucl P-1049001 Lisbon Portugal;

    Shenzhen Technol Univ Ctr Adv Mat Diagnost Technol Shenzhen 518118 Peoples R China;

    Shenzhen Technol Univ Ctr Adv Mat Diagnost Technol Shenzhen 518118 Peoples R China;

    Queens Univ Belfast Ctr Plasma Phys Sch Math &

    Phys Belfast BT7 1NN Antrim North Ireland;

    Helmholtz Inst Jena Frobelstieg 3 D-07743 Jena Germany;

    Ecole Polytech IP Paris Lab Opt Appl ENSTA ParisTech CNRS UMR 7639 Palaiseau France;

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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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