High-field electron-photon interactions

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Recent advances in novel technologies (including chirped-pulse amplification, femtosecond laser systems operating in the TW-PW range, high-gradient rf photoinjectors, and synchronized relativistic electron bunches with subpicosecond durations and THz bandwidths) allow experimentalists to study the interaction of relativistic electrons with ultrahigh-intensity photon fields. Ponderomotive scattering can accelerate these electrons with extremely high gradients in a three-dimensional vacuum laser focus. The nonlinear Doppler shift induced by relativistic radiation pressure in Compton backscattering is shown to yield complex nonlinear spectra which can be modified by using temporal laser pulse shaping techniques. Colliding laser pulses, where ponderomotive acceleration and Compton backscattering are combined, ... continued below

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756 Kilobytes

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Hartemann, F V February 26, 1999.

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Description

Recent advances in novel technologies (including chirped-pulse amplification, femtosecond laser systems operating in the TW-PW range, high-gradient rf photoinjectors, and synchronized relativistic electron bunches with subpicosecond durations and THz bandwidths) allow experimentalists to study the interaction of relativistic electrons with ultrahigh-intensity photon fields. Ponderomotive scattering can accelerate these electrons with extremely high gradients in a three-dimensional vacuum laser focus. The nonlinear Doppler shift induced by relativistic radiation pressure in Compton backscattering is shown to yield complex nonlinear spectra which can be modified by using temporal laser pulse shaping techniques. Colliding laser pulses, where ponderomotive acceleration and Compton backscattering are combined, could also yield extremely short wavelength photons. Finally, one expects strong radiative corrections when the Doppler-upshifted laser wavelength approaches the Compton scale. These are discussed within the context of high-field classical electrodynamics, a new discipline borne out of the aforementioned innovations.

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756 Kilobytes

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  • Proceedings of the International Conference on Lasers, Tucson, AZ, March 19-21, 1998

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  • Other: DE00008356
  • Report No.: UCRL-JC-133349
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 8356
  • Archival Resource Key: ark:/67531/metadc778648

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  • February 26, 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 6, 2016, 11:20 p.m.

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Hartemann, F V. High-field electron-photon interactions, article, February 26, 1999; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc778648/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.