Subpicosecond compression of 0.1-1 nC electron bunches with a magnetic chicane at 8 MeV
- 1 March 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 53 (3) , R2072-R2075
- https://doi.org/10.1103/physreve.53.r2072
Abstract
After compressing electron bunches with a half-meter long, four-dipole chicane at 8 MeV, we have measured full width at half maximum (FWHM) bunch lengths of less than 1 ps for charges from 0.1 to 1.1 nC. The uncompressed FWHM bunch lengths varied from 10 to 20 ps, and we achieved compression ratios in excess of 40 and peak currents greater than 1 kA. Bunch lengths for low charges were measured using a transversely deflecting rf cavity; bunch lengths for high charges were inferred from the energy spread induced in the beam by its longitudinal space-charge force as it drifted from the end of the compressor to the spectrometer.Keywords
This publication has 6 references indexed in Scilit:
- Emittance growth of bunched beams in bendsPhysical Review E, 1995
- Generation of a subpicosecond relativistic electron single bunch at theS-band linear acceleratorPhysical Review E, 1994
- Generation and Measurement of 50-fs (rms) Electron PulsesPhysical Review Letters, 1994
- Performance of the APEX free-electron laser at Los Alamos National LaboratoryNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1993
- First measurements of electron-beam transit times and micropulse elongation in a photoelectric injector at the high-brightness accelerator FEL (HIBAF)Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1991
- Simulation of the Wisconsin-Argonne Plasma Wakefield ExperimentIEEE Transactions on Plasma Science, 1987