Gain saturation behavior with pulse spectrum change in amplification of ultrashort XeCl laser pulses

    研究成果: Article査読

    1 被引用数 (Scopus)

    抄録

    Energy extraction in a XeCl amplifier is theoretically studied for 0.16 and 3 ps initial laser pulse durations. Intrinsic values of an amplification gain and corresponding saturation energy are defined at each position along the amplification by the degree of matching between a gain spectrum and a propagating laser pulse spectrum. When a laser pulse is amplified by the gain medium with a multilined and inhomogeneously broadened spectrum, the saturation behavior of the amplified laser energy is influenced by the characteristics of change in the laser pulse spectrum during the amplification. Therefore, the saturation energy cannot be simply defined as a unique value as a function of initial laser pulse width. When a laser pulse is amplified to extremely high energy level (>5 mJ/cm2), the laser pulse spectrum, which is filtered by the gain spectrum in the small-signal amplification region, is strongly distorted and tends to shift its peak toward the red spectrum side.

    本文言語English
    ページ(範囲)337-341
    ページ数5
    ジャーナルOptics Communications
    83
    5-6
    DOI
    出版ステータスPublished - 1991 6月 15

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 原子分子物理学および光学
    • 物理化学および理論化学
    • 電子工学および電気工学

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