Formation of an FEL field with uniform and constant phase due to the slippage effect

N. Nishimori, R. Hajima, R. Nagai, E. J. Minehara

    Research output: Contribution to journalConference articlepeer-review

    3 Citations (Scopus)

    Abstract

    The sustained saturation in an free-electron laser (FEL) oscillator at perfect synchronism of an optical cavity (δL=0) was experimentally verified despite the well-known lethargy effect (Phys. Rev. Lett. 86 (2001) 5707). Formation of an FEL field with uniform and constant phase from an incoherent state is one of the key issues to understand the mechanism how the lasing occurs at δL=0. In this report, we show that phase of an FEL field becomes uniform and constant during passage through undulator periods due to the slippage effect in a model independent manner.

    Original languageEnglish
    Pages (from-to)79-83
    Number of pages5
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume507
    Issue number1-2
    DOIs
    Publication statusPublished - 2003 Jul 11
    EventProceedings of the 24th International Free Electron Laser Conference - Argonne, IL, United States
    Duration: 2002 Sep 92002 Sep 13

    Keywords

    • Free-electron laser
    • Shot-noise
    • Slippage

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics
    • Instrumentation

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