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and J.B. Rosenzweig

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title: Observation of coherent terahertz edge radiation from compressed electron beams

format: journal article

year: 2009

9 authors: G. Andonian | A. Cook | M. Dunning | E. Hemsing | G. Marcus | A. Murokh | S. Reiche | D. Schiller | and J.B. Rosenzweig

abstract: Coherent radiation emitted from a compressed electron bunch as it traverses the sharp edge regions of a magnetic chicane has been investigated at the Brookhaven National Laboratory Accelerator Test Facility. Electron beam measurements using coherent transition radiation interferometry indicate a 100 fs rms bunch accompanied by distinct distortions in energy spectrum due to strong self-fields. These self-fields are manifested in emitted high power THz radiation, which displays signatures of the phenomenon known as coherent edge radiation. Radiation characterization studies undertaken include spectral analysis, farfield intensity distribution, polarization, and dependence on the electron bunch length. The observed aspects of the beam and radiation allow detailed comparisons with start-to-end simulations.

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title:	Observation of coherent terahertz edge radiation from compressed electron beams
format:	journal article
year:	2009
9 authors:	G. Andonian \| A. Cook \| M. Dunning \| E. Hemsing \| G. Marcus \| A. Murokh \| S. Reiche \| D. Schiller \| and J.B. Rosenzweig
abstract:	Coherent radiation emitted from a compressed electron bunch as it traverses the sharp edge regions of a magnetic chicane has been investigated at the Brookhaven National Laboratory Accelerator Test Facility. Electron beam measurements using coherent transition radiation interferometry indicate a 100 fs rms bunch accompanied by distinct distortions in energy spectrum due to strong self-fields. These self-fields are manifested in emitted high power THz radiation, which displays signatures of the phenomenon known as coherent edge radiation. Radiation characterization studies undertaken include spectral analysis, farfield intensity distribution, polarization, and dependence on the electron bunch length. The observed aspects of the beam and radiation allow detailed comparisons with start-to-end simulations.
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