TY - JOUR
T1 - New results of the high-gain harmonic generation free-electron laser experiment
AU - Doyuran, A.
AU - Babzien, M.
AU - Shaftan, T.
AU - Biedron, S. G.
AU - Yu, L. H.
AU - Ben-Zvi, I.
AU - DiMauro, L. F.
AU - Graves, W.
AU - Johnson, E.
AU - Krinsky, S.
AU - Malone, R.
AU - Pogorelsky, I.
AU - Skaritka, J.
AU - Rakowsky, G.
AU - Wang, X. J.
AU - Woodle, M.
AU - Yakimenko, V.
AU - Jagger, J.
AU - Sajaev, V.
AU - Vasserman, I.
N1 - Funding Information:
Work supported by US Department of Energy, Office of Basic Energy Sciences, under Contracts Nos. DE-AC02-98CH10886 and W-31-109-ENG-38 and by Office of Naval Research Grant no. N00014-97-1-0845.
PY - 2001/11/21
Y1 - 2001/11/21
N2 - We report on the experimental investigation of high-gain harmonic generation carried out at the Accelerator Test Facility at Brookhaven National Laboratory. A seed CO2 laser at a wavelength of 10.6 μm was used to generate FEL output at a 5.3-μm wavelength. The duration of the output pulse was measured using a second-harmonic intensity autocorrelator, and the coherence length was measured using an interferometer. We also measured the energy distribution of the electron beam after it exited the second undulator, observing behavior consistent with that is expected at saturation. The intensity of the harmonic components of the output at 2.65 and 1.77 μm was determined relative to that of the 5.3-μm fundamental. Finally, using a corrector magnet upstream of the radiator, steering effects on the trajectories of the electron and light beams were studied.
AB - We report on the experimental investigation of high-gain harmonic generation carried out at the Accelerator Test Facility at Brookhaven National Laboratory. A seed CO2 laser at a wavelength of 10.6 μm was used to generate FEL output at a 5.3-μm wavelength. The duration of the output pulse was measured using a second-harmonic intensity autocorrelator, and the coherence length was measured using an interferometer. We also measured the energy distribution of the electron beam after it exited the second undulator, observing behavior consistent with that is expected at saturation. The intensity of the harmonic components of the output at 2.65 and 1.77 μm was determined relative to that of the 5.3-μm fundamental. Finally, using a corrector magnet upstream of the radiator, steering effects on the trajectories of the electron and light beams were studied.
KW - Free-electron laser
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U2 - 10.1016/S0168-9002(01)01637-0
DO - 10.1016/S0168-9002(01)01637-0
M3 - Conference article
AN - SCOPUS:17144449030
SN - 0168-9002
VL - 475
SP - 260
EP - 265
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 - 1-3
T2 - 22nd International Free Electron Laser Conference (FEL 2000)
Y2 - 13 August 2000 through 18 August 2000
ER -