Analysis of an FEL oscillator at zero detuning length of an optical cavity

Nobuyuki Nishimori

doi:10.1016/j.nima.2004.04.013

Analysis of an FEL oscillator at zero detuning length of an optical cavity

Nobuyuki Nishimori

Center for Advanced Microscopy and Spectroscopy

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

The field of an FEL oscillator at zero detuning length of an optical cavity (δL=0) is characteristic of self-amplified spontaneous emission (SASE) FEL. For both cases, the field is composed of the precedent incoherent and subsequent coherent states. The evolution and saturation of the coherent field are studied analytically. The field during evolution is found to scale with FEL parameter ρ and the round-trip number, and that at saturation with ρ and an optical cavity loss. The field at δL=0 is similar to that of the leading edge of SASE FEL with high electron beam density.

Original language	English
Pages (from-to)	34-38
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	528
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nima.2004.04.013
Publication status	Published - 2004 Aug 1
Event	Proceedings of the 25th International Free Electron Laser - Tsukuba,Ibaraki, Japan Duration: 2003 Sep 8 → 2003 Sep 12

Keywords

FEL oscillator
FEL parameter
Optical cavity loss
Round-trip number
SASE
Zero detuning length

ASJC Scopus subject areas

Instrumentation
Nuclear and High Energy Physics

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title = "Analysis of an FEL oscillator at zero detuning length of an optical cavity",

abstract = "The field of an FEL oscillator at zero detuning length of an optical cavity (δL=0) is characteristic of self-amplified spontaneous emission (SASE) FEL. For both cases, the field is composed of the precedent incoherent and subsequent coherent states. The evolution and saturation of the coherent field are studied analytically. The field during evolution is found to scale with FEL parameter ρ and the round-trip number, and that at saturation with ρ and an optical cavity loss. The field at δL=0 is similar to that of the leading edge of SASE FEL with high electron beam density.",

keywords = "FEL oscillator, FEL parameter, Optical cavity loss, Round-trip number, SASE, Zero detuning length",

author = "Nobuyuki Nishimori",

year = "2004",

month = aug,

day = "1",

doi = "10.1016/j.nima.2004.04.013",

language = "English",

volume = "528",

pages = "34--38",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

issn = "0168-9002",

publisher = "Elsevier",

number = "1-2",

note = "Proceedings of the 25th International Free Electron Laser ; Conference date: 08-09-2003 Through 12-09-2003",

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TY - JOUR

T1 - Analysis of an FEL oscillator at zero detuning length of an optical cavity

AU - Nishimori, Nobuyuki

PY - 2004/8/1

Y1 - 2004/8/1

N2 - The field of an FEL oscillator at zero detuning length of an optical cavity (δL=0) is characteristic of self-amplified spontaneous emission (SASE) FEL. For both cases, the field is composed of the precedent incoherent and subsequent coherent states. The evolution and saturation of the coherent field are studied analytically. The field during evolution is found to scale with FEL parameter ρ and the round-trip number, and that at saturation with ρ and an optical cavity loss. The field at δL=0 is similar to that of the leading edge of SASE FEL with high electron beam density.

AB - The field of an FEL oscillator at zero detuning length of an optical cavity (δL=0) is characteristic of self-amplified spontaneous emission (SASE) FEL. For both cases, the field is composed of the precedent incoherent and subsequent coherent states. The evolution and saturation of the coherent field are studied analytically. The field during evolution is found to scale with FEL parameter ρ and the round-trip number, and that at saturation with ρ and an optical cavity loss. The field at δL=0 is similar to that of the leading edge of SASE FEL with high electron beam density.

KW - FEL oscillator

KW - FEL parameter

KW - Optical cavity loss

KW - Round-trip number

KW - SASE

KW - Zero detuning length

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U2 - 10.1016/j.nima.2004.04.013

DO - 10.1016/j.nima.2004.04.013

M3 - Conference article

AN - SCOPUS:3242658183

VL - 528

SP - 34

EP - 38

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

SN - 0168-9002

IS - 1-2

T2 - Proceedings of the 25th International Free Electron Laser

Y2 - 8 September 2003 through 12 September 2003

ER -