Theory of coherent transition radiation generated at a plasma-vacuum interface

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Transition radiation generated by an electron beam, produced by a laser wakefield accelerator operating in the self-modulated regime, crossing the plasma-vacuum boundary is considered. The angular distributions and spectra are calculated for both the incoherent and coherent radiation. The effects of the longitudinal and transverse momentum distributions on the differential energy spectra are examined. Diffraction radiation from the finite transverse extent of the plasma is considered and shown to strongly modify the spectra and energy radiated for long wavelength radiation. This method of transition radiation generation has the capability of producing high peak power THz radiation, of order 100 (mu)J/pulse ... continued below

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Schroeder, Carl B.; Esarey, Eric; van Tilborg, Jeroen & Leemans, Wim P. June 26, 2003.

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Transition radiation generated by an electron beam, produced by a laser wakefield accelerator operating in the self-modulated regime, crossing the plasma-vacuum boundary is considered. The angular distributions and spectra are calculated for both the incoherent and coherent radiation. The effects of the longitudinal and transverse momentum distributions on the differential energy spectra are examined. Diffraction radiation from the finite transverse extent of the plasma is considered and shown to strongly modify the spectra and energy radiated for long wavelength radiation. This method of transition radiation generation has the capability of producing high peak power THz radiation, of order 100 (mu)J/pulse at the plasma-vacuum interface, which is several orders of magnitude beyond current state-of-the-art THz sources.

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INIS; OSTI as DE00836226

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  • Journal Name: Physical Review E; Journal Volume: 69; Other Information: Submitted to Physical Review E: Volume 69; Journal Publication Date: 01/26/2004

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  • Report No.: LBNL--53228
  • Report No.: CBP Note - 540
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 836226
  • Archival Resource Key: ark:/67531/metadc782382

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  • June 26, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • Sept. 1, 2016, 7:16 p.m.

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Schroeder, Carl B.; Esarey, Eric; van Tilborg, Jeroen & Leemans, Wim P. Theory of coherent transition radiation generated at a plasma-vacuum interface, article, June 26, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc782382/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.