High-Power Laser Pulse Recirculation for Inverse Compton Scattering-Produced Gamma-Rays

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Inverse Compton scattering of high-power laser pulses on relativistic electron bunches represents an attractive method for high-brightness, quasi-monoenergetic {gamma}-ray production. The efficiency of {gamma}-ray generation via inverse Compton scattering is severely constrained by the small Thomson scattering cross section. Furthermore, repetition rates of high-energy short-pulse lasers are poorly matched with those available from electron accelerators, resulting in low repetition rates for generated {gamma}-rays. Laser recirculation has been proposed as a method to address those limitations, but has been limited to only small pulse energies and peak powers. Here we propose and experimentally demonstrate an alternative method for laser pulse recirculation ... continued below

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PDF-file: 27 pages; size: 0.8 Mbytes

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Jovanovic, I; Shverdin, M; Gibson, D & Brown, C April 17, 2007.

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Inverse Compton scattering of high-power laser pulses on relativistic electron bunches represents an attractive method for high-brightness, quasi-monoenergetic {gamma}-ray production. The efficiency of {gamma}-ray generation via inverse Compton scattering is severely constrained by the small Thomson scattering cross section. Furthermore, repetition rates of high-energy short-pulse lasers are poorly matched with those available from electron accelerators, resulting in low repetition rates for generated {gamma}-rays. Laser recirculation has been proposed as a method to address those limitations, but has been limited to only small pulse energies and peak powers. Here we propose and experimentally demonstrate an alternative method for laser pulse recirculation that is uniquely capable of recirculating short pulses with energies exceeding 1 J. Inverse Compton scattering of recirculated Joule-level laser pulses has a potential to produce unprecedented peak and average {gamma}-ray brightness in the next generation of sources.

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PDF-file: 27 pages; size: 0.8 Mbytes

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  • Journal Name: Nuclear Instruments and Methods in Physics Research A, vol. 578, N/A, May 8, 2008, pp. 160-171; Journal Volume: 578

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  • Report No.: UCRL-JRNL-230147
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 940857
  • Archival Resource Key: ark:/67531/metadc893441

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  • April 17, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 5, 2016, 7:44 p.m.

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Jovanovic, I; Shverdin, M; Gibson, D & Brown, C. High-Power Laser Pulse Recirculation for Inverse Compton Scattering-Produced Gamma-Rays, article, April 17, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc893441/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.