Phys. Rev. Lett. 96, 014801 (2006) [4 pages]
Temporal Characterization of Femtosecond Laser-Plasma-Accelerated Electron Bunches Using Terahertz Radiation
Abstract
References (38)
Citing Articles
J. van Tilborg, 1 C. B. Schroeder, 1 C. V. Filip, 2 Cs. Tóth, 1 C. G. R. Geddes, 1 G. Fubiani, 1 R. Huber, 1 R. A. Kaindl, 1 E. Esarey, 1,2 and W. P. Leemans1,21Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, USA
2University of Nevada, Reno, Nevada 89557, USA
Received 1 July 2005; published 4 January 2006
The temporal profile of relativistic laser-plasma-accelerated electron bunches has been characterized. Coherent transition radiation at THz frequencies, emitted at the plasma-vacuum boundary, was measured through electro-optic sampling. Frequencies up to the crystal detection limit of 4 THz were observed. Comparison between data and theory indicates that THz radiation from bunches with structure shorter than 50 fs (root-mean-square) is emitted. The measurement demonstrates both shot-to-shot stability of the laser-plasma accelerator and femtosecond synchronization between bunch and probe beam.
©2006 The American Physical Society
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