• Open Access

Inverse Compton scattering of coherent synchrotron radiation in an energy recovery linac

M. Shimada and R. Hajima
Phys. Rev. ST Accel. Beams 13, 100701 – Published 14 October 2010

Abstract

We propose inverse Compton scattering (ICS) of coherent synchrotron radiation (CSR) from a relativistic short electron bunch in energy recovery linacs (ERL) as a high-flux subpicosecond x-ray and γ-ray source. An advantage of the CSR scheme over a conventional ICS source is that no external laser is required, and synchronization between CSR pulses and electron bunches is obtained automatically. Moreover, higher-flux x rays can be generated from the ICS of CSR in an ERL operated at a high repetition rate, 100 MHz to 1.3 GHz. Using parameters of the Compact ERL at KEK, 1×101314phs/s b.w. 10% (the number of photons pulse1 bandwidth unit1) x ray with a 100 fs–1 ps pulse duration can be obtained, for an energy range from 0.04 to 4 keV. In the case of a 5-GeV ERL, γ rays with energy around tens of MeV are generated with 1×108phs/pulse b.w. 10% at a repetition rate of several hundreds of MHz.

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  • Received 22 June 2010

DOI:https://doi.org/10.1103/PhysRevSTAB.13.100701

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2010 The American Physical Society

Authors & Affiliations

M. Shimada1,* and R. Hajima2

  • 1High Energy Accelerator Research Organization, KEK, Tsukuba, 305-0801, Japan
  • 2Japan Atomic Energy Agency, Tokai, 319-1195, Japan

  • *miho.shimada@kek.jp

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Vol. 13, Iss. 10 — October 2010

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