Elimination of the chirp of narrowband terahertz pulses generated by chirped pulse beating using a tandem grating pair laser pulse stretcher

Tetsuya Yoshida, Shohei Kamada, Takao Aoki

    研究成果: Article

    1 引用 (Scopus)

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    We study the elimination of the chirp of narrowband terahertz pulses generated by chirped laser pulse beating using a laser pulse stretcher with two grating pairs that cancel out the third-order spectral phase. First, we show that positively chirped terahertz pulses can be generated using a pulse stretcher with a grating pair and internal lenses. We then combine this with a second grating pair, the spectral phase of which has the opposite sign to that of the first one. By varying the separation of the second grating pair, we experimentally verify that the chirp of the generated terahertz pulses can be eliminated.

    元の言語English
    ページ(範囲)23679-23685
    ページ数7
    ジャーナルOptics Express
    22
    発行部数19
    DOI
    出版物ステータスPublished - 2014 9 22

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    chirp
    narrowband
    elimination
    gratings
    pulses
    lasers
    lenses

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    これを引用

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    AB - We study the elimination of the chirp of narrowband terahertz pulses generated by chirped laser pulse beating using a laser pulse stretcher with two grating pairs that cancel out the third-order spectral phase. First, we show that positively chirped terahertz pulses can be generated using a pulse stretcher with a grating pair and internal lenses. We then combine this with a second grating pair, the spectral phase of which has the opposite sign to that of the first one. By varying the separation of the second grating pair, we experimentally verify that the chirp of the generated terahertz pulses can be eliminated.

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