Picosecond electron bunch length measurement by electro-optic detection of the Wakefield

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The longitudinal profile of an 10 nC electron bunch of a few picoseconds duration will be measured by electro-optic detection of the wakefield. The polarization of a short in-frared probe laser pulse (derived from the photocathode excitation laser) is modulated in a LiTaO3 crystal by the transient electric field of the bunch. The bunch profile is measured by scanning the delay between the laser and the bunch, and is sensitive to head/tail asymmetries. A single-shot extension of the technique is possible using a longer chirped laser pulse.

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M. J. Fitch, A. C. Melissinos and P. L. Colestock May 17, 1999.

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The longitudinal profile of an 10 nC electron bunch of a few picoseconds duration will be measured by electro-optic detection of the wakefield. The polarization of a short in-frared probe laser pulse (derived from the photocathode excitation laser) is modulated in a LiTaO3 crystal by the transient electric field of the bunch. The bunch profile is measured by scanning the delay between the laser and the bunch, and is sensitive to head/tail asymmetries. A single-shot extension of the technique is possible using a longer chirped laser pulse.

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85 Kilobytes

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  • PAC'99 (The 18th Particle Accelerator Conference), New York City, New York, March 29 - April 2, 1999

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  • Other: DE00006742
  • Report No.: FERMILAB-Conf-99/130-E
  • Grant Number: NONE
  • Office of Scientific & Technical Information Report Number: 6742
  • Archival Resource Key: ark:/67531/metadc701928

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Office of Scientific & Technical Information Technical Reports

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  • May 17, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 18, 2016, 2:58 p.m.

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M. J. Fitch, A. C. Melissinos and P. L. Colestock. Picosecond electron bunch length measurement by electro-optic detection of the Wakefield, article, May 17, 1999; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc701928/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.