TY - JOUR
T1 - Study of radiation spectrum in a free-electron laser oscillator from noise to saturation
AU - Pinhasi, Yosef
AU - Lurie, Yuri
AU - Yahalom, Asher
N1 - Funding Information:
The research was supported by the Israel Science Foundation and the Israel Ministry of Science.
PY - 2004/8/1
Y1 - 2004/8/1
N2 - A three-dimensional, space-frequency model for analysis and simulation of radiation excitation in a FEL oscillator is developed. The total electromagnetic field is presented in the frequency domain as an expansion in terms of transverse eigenmodes of the (cold) resonator. Coupled-mode formulation is utilized in an analytical approach and in a numerical simulation to follow linear and nonlinear processes, taking place during radiation buildup, which lead to the establishment of single-mode lasing. The evolution of the radiation spectrum is investigated in the case of 'grazing', when the group velocity of the radiation is equal to the axial velocity of the electrons.
AB - A three-dimensional, space-frequency model for analysis and simulation of radiation excitation in a FEL oscillator is developed. The total electromagnetic field is presented in the frequency domain as an expansion in terms of transverse eigenmodes of the (cold) resonator. Coupled-mode formulation is utilized in an analytical approach and in a numerical simulation to follow linear and nonlinear processes, taking place during radiation buildup, which lead to the establishment of single-mode lasing. The evolution of the radiation spectrum is investigated in the case of 'grazing', when the group velocity of the radiation is equal to the axial velocity of the electrons.
KW - FEL
KW - Grazing
KW - Radiation build-up
UR - http://www.scopus.com/inward/record.url?scp=3242733957&partnerID=8YFLogxK
U2 - 10.1016/j.nima.2004.04.019
DO - 10.1016/j.nima.2004.04.019
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AN - SCOPUS:3242733957
SN - 0168-9002
VL - 528
SP - 62
EP - 66
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
IS - 1-2
T2 - Proceedings of the 25th International Free Electron Laser
Y2 - 8 September 2003 through 12 September 2003
ER -