Stimulated coherent transition radiation

Abstract.A new frequency-resolved bunch-length measuring system has been developed at the Stanford SUNSHINE facility to characterize subpicosecond electron pulses. Using a far-infrared Michelson interferometer, this method measures the spectrum of coherent transition radiation emitted from electron bunches through optical autocorrelation. The electron bunch length is obtained from the measurement with a simple and systematic analysis which includes interference effects caused by the beam splitter. This method demonstrates subpicosecond resolving power that cannot be achieved by existing time-resolved methods. The principle of this method and experimental results are discussed.

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Stimulated transition radiation in the far-infrared

Settakorn

Hernández²,

Wiedemann³

Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167)

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Stimulated transition radiation is generated by recycling coherent far-infrared light pulses of transition radiation in a special cavity. The cavity length is designed to be adjustable. At specific intervals the light of a previous bunch coincides at the radiator with the arrival of a subsequent bunch. In this situation, the external electromagnetic field stimulates the emission of higher intensity transition radiation. It is expected that the extracted energy from the cavity will be about 17 times more than would be possible without recycling.

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Stimulated coherent transition radiation

Cited by 4 publications

References 18 publications

Structure Loaded Vacuum Laser-Driven Particle Acceleration Experiments at SLAC

Structure Loaded Vacuum Laser-Driven Particle Acceleration Experiments at SLAC

Measurement of subpicosecond electron pulse length

Stimulated transition radiation in the far-infrared

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