Phys. Rev. Lett. 78, 4569–4572 (1997)Gamma-Ray Production in a Storage Ring Free-Electron LaserReceived 24 February 1997; published in the issue dated 16 June 1997 A nearly monochromatic beam of 100% linearly polarized γ rays has been produced via Compton backscattering inside a free electron laser optical cavity. The beam of 12.2 MeV γ rays was obtained by backscattering 379.4 nm free-electron laser photons from 500 MeV electrons circulating in a storage ring. A detailed description of the γ-ray beam and the outlook for future improvements are presented. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.78.4569
DOI:
10.1103/PhysRevLett.78.4569
PACS:
41.60.Cr
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