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Single-scan, dual-functional interferometer for fast spatio-temporal characterization of few-cycle pulses

机译：单扫描，双功能干涉仪，用于少循环脉冲的快速时空表征

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摘要

Accurate and fast characterization of spatio-temporal information of high-intensity, ultrashort pulses is crucial in the field of strong-field laser science and technology. While conventional self-referenced interferometers were widely used to retrieve the spatial profile of the relative spectral phase of pulses, additional measurements of temporal and. spectral information at a particular position of the laser beam, however, were necessary to remove the indeterminacy, which increases the system complexity. Here we report an advanced, dual-functional interferometer that is able to reconstruct the complete spatio-temporal information of ultrashort pulses with a single scan of the interferometer arm. The setup integrates an interferometric frequency-resolved optical gating (FROG) with a radial shearing Michelson interferometer. Through scanning one arm of the interferometer, both the cross-correlated FROG trace at the central part of the laser beam and the delay-dependent interferograms of the entire laser profile are simultaneously obtained, allowing a fast three-dimensional reconstruction of few-cycle laser pulses. (C) 2020 Optical Society of America
机译：高强度的时空信息的准确性和快速表征，超短脉冲在强大的激光科技领域至关重要。虽然传统的自我参考干涉仪被广泛用于检索脉冲相对光谱相的空间轮廓，但是时间和时间的额外测量。然而，激光束特定位置的光谱信息是为了消除不确定的不确定，这增加了系统复杂性。在这里，我们报告了一种先进的双功能干涉仪，该干涉仪能够用干涉仪臂的单次扫描重建超短脉冲的完整时空信息。该设置将干涉频率分辨的光栅网（青蛙）与径向剪切的迈克尔逊干涉仪集成在一起。通过扫描干涉仪的一个臂，同时获得激光束的中心部分的互相关青蛙轨迹以及整个激光曲线的延迟依赖性干涉图，允许几个循环激光的快速三维重建脉冲。 （c）2020美国光学学会

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  • 来源
    《Optics Letters》 |2020年第18期|共4页
  • 作者

    Chen Y. F.; Huang Z. Y.; Wang D.; Zhao Y.; Fu J. H.; Pang M.; Leng Y. X.; Xu Z. Z.;

  • 作者单位

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech SIOM State Key Lab High Field Laser Phys Shanghai 201800 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;
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