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Inverse Compton backscattering source driven by the multi-10 TW laser installed at Daresbury

  • G. Priebe (a1), D. Laundy (a1), M.A. Macdonald (a1), G.P. Diakun (a1), S.P. Jamison (a2), L.B. Jones (a1) (a2), D.J. Holder (a1) (a2), S.L. Smith (a1) (a2), P.J. Phillips (a3), B.D. Fell (a1), B. Sheehy (a4), N. Naumova (a5), I.V. Sokolov (a6), S. Ter-Avetisyan (a7), K. Spohr (a8), G.A. Krafft (a9), J.B. Rosenzweig (a10), U. Schramm (a11), F. Grüner (a12), G.J. Hirst (a13), J. Collier (a13), S. Chattopadhyay (a14) and E.A. Seddon (a1)...

Inverse Compton scattering is a promising method to implement a high brightness, ultra-short, energy tunable X-ray source at accelerator facilities. We have developed an inverse Compton backscattering X-ray source driven by the multi-10 TW laser installed at Daresbury. Hard X-rays, with spectral peaks ranging from 15 to 30 keV, depending on the scattering geometry, will be generated through the interaction of laser pulses with electron bunches delivered by the energy recovery linac machine, initially known as energy recovery linac prototype and subsequently renamed accelerators and lasers in combined experiments. X-ray pulses containing 9 × 107 photons per pulse will be created from head-on collisions, with a pulse duration comparable to the incoming electron bunch length. For transverse collisions 8 × 106 photons per pulse will be generated, where the laser pulse transit time defines the X-ray pulse duration. The peak spectral brightness is predicted to be ~1021 photons/(s mm2 mrad2 0.1% Δλ/λ).

Corresponding author
Address correspondence and reprint requests to: G. Priebe, STFC, Daresbury Laboratory, Daresbury, Warrington, Cheshire, WA4 4AD, UK. E-mail:
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Laser and Particle Beams
  • ISSN: 0263-0346
  • EISSN: 1469-803X
  • URL: /core/journals/laser-and-particle-beams
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