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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 11 — Jun. 1, 2008
  • pp: 1186–1188

Single-shot measurement of the spectral envelope of broad-bandwidth terahertz pulses from femtosecond electron bunches

J. van Tilborg, Cs. Tóth, N. H. Matlis, G. R. Plateau, and W. P. Leemans  »View Author Affiliations


Optics Letters, Vol. 33, Issue 11, pp. 1186-1188 (2008)
http://dx.doi.org/10.1364/OL.33.001186


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Abstract

We present a new approach (demonstrated experimentally and through modeling) to characterize the spectral envelope of a terahertz (THz) pulse in a single shot. The coherent THz pulse is produced by a femtosecond electron bunch and contains information on the bunch duration. The technique, involving a single low-power laser probe pulse, is an extension of the conventional spectral encoding method (limited in time resolution to hundreds of femtoseconds) into a regime only limited in resolution by the laser pulse length (tens of femtoseconds). While only the bunch duration is retrieved (and not the exact charge profile), such a measurement provides a useful and critical parameter for optimization of the electron accelerator.

© 2008 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(140.7090) Lasers and laser optics : Ultrafast lasers
(040.2235) Detectors : Far infrared or terahertz

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 5, 2008
Revised Manuscript: April 16, 2008
Manuscript Accepted: April 17, 2008
Published: May 23, 2008

Citation
J. van Tilborg, Cs. Tóth, N. H. Matlis, G. R. Plateau, and W. P. Leemans, "Single-shot measurement of the spectral envelope of broad-bandwidth terahertz pulses from femtosecond electron bunches," Opt. Lett. 33, 1186-1188 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-11-1186


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References

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