Phys. Rev. Lett. 86, 4041–4043 (2001)First Staging of Two Laser AcceleratorsReceived 9 November 2000; revised 15 March 2001; published in the issue dated 30 April 2001 Staging of two laser-driven, relativistic electron accelerators has been demonstrated for the first time in a proof-of-principle experiment, whereby two distinct and serial laser accelerators acted on an electron beam in a coherently cumulative manner. Output from a CO2 laser was split into two beams to drive two inverse free electron lasers (IFEL) separated by 2.3 m. The first IFEL served to bunch the electrons into ∼3fs microbunches, which were rephased with the laser wave in the second IFEL. This represents a crucial step towards the development of practical laser-driven electron accelerators. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.4041
DOI:
10.1103/PhysRevLett.86.4041
PACS:
41.75.Jv, 41.60.Cr
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