First Observations of Laser-Driven Acceleration of Relativistic Electrons in a Semi-Infinite Vacuum Space

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We have observed acceleration of relativistic electrons in vacuum driven by a linearly polarized visible laser beam incident on a thin gold-coated reflective boundary. The observed energy modulation effect follows all the characteristics expected for linear acceleration caused by a longitudinal electric field. As predicted by the Lawson-Woodward theorem the laser driven modulation only appears in the presence of the boundary. It shows a linear dependence with the strength of the electric field of the laser beam and also it is critically dependent on the laser polarization. Finally, it appears to follow the expected angular dependence of the inverse transition ... continued below

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Plettner, T.; Byer, R.L.; Smith, T.I.; /Stanford U., Phys. Dept.; Colby, E.; Cowan, B. et al. February 17, 2006.

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We have observed acceleration of relativistic electrons in vacuum driven by a linearly polarized visible laser beam incident on a thin gold-coated reflective boundary. The observed energy modulation effect follows all the characteristics expected for linear acceleration caused by a longitudinal electric field. As predicted by the Lawson-Woodward theorem the laser driven modulation only appears in the presence of the boundary. It shows a linear dependence with the strength of the electric field of the laser beam and also it is critically dependent on the laser polarization. Finally, it appears to follow the expected angular dependence of the inverse transition radiation process. experiment as the Laser Electron Accelerator Project (LEAP).

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3 pages

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  • Contributed to2005 Particle Accelerator Conference, , 5/16/2005-5/20/2005

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  • Report No.: SLAC-PUB-11647
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 876442
  • Archival Resource Key: ark:/67531/metadc876957

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  • February 17, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 28, 2016, 4:25 p.m.

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Plettner, T.; Byer, R.L.; Smith, T.I.; /Stanford U., Phys. Dept.; Colby, E.; Cowan, B. et al. First Observations of Laser-Driven Acceleration of Relativistic Electrons in a Semi-Infinite Vacuum Space, article, February 17, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc876957/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.