Phys. Rev. ST Accel. Beams 4, 101301 (2001) [12 pages]Detailed experimental results for laser acceleration staging
Detailed experimental results of staging two laser-driven, relativistic electron accelerators are presented. During the experiment called STELLA (staged electron laser acceleration), an inverse free-electron laser (IFEL) is used to modulate the electron energy, thereby, causing ∼3fs microbunches to form separated by the laser wavelength at 10.6μm (equivalent to a 35 fs period). A second IFEL accelerates the electrons depending upon the phase of the microbunches entering the second IFEL with respect to the laser beam driving the second IFEL. The data presented includes electron energy spectra as a function of the phase delay and laser power driving the first IFEL. Also shown is a comparison with the computer model, which includes space charge and misalignment effects. 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. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.4.101301
DOI:
10.1103/PhysRevSTAB.4.101301
PACS:
41.75.Jv, 41.60.Cr
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