Cold Test Measurements on the GTF Prototype RF Gun

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Description

The SSRL Gun Test Facility (GTF) was built to develop a high brightness electron injector for the LCLS and has been operational since 1996. Based on longitudinal phase space measurements showing a correlated energy spread the gun was removed and re-characterized in 2002. The low power RF measurements performed on the gun are described below. Perturbative bead measurements were performed to determine the field ratio in the two-cell gun, and network analyzer measurements were made to characterize the mode structure. A second probe was installed to monitor the RF field in the first cell, and a diagnostic was developed to ... continued below

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Gierman, S.M. December 3, 2010.

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Description

The SSRL Gun Test Facility (GTF) was built to develop a high brightness electron injector for the LCLS and has been operational since 1996. Based on longitudinal phase space measurements showing a correlated energy spread the gun was removed and re-characterized in 2002. The low power RF measurements performed on the gun are described below. Perturbative bead measurements were performed to determine the field ratio in the two-cell gun, and network analyzer measurements were made to characterize the mode structure. A second probe was installed to monitor the RF field in the first cell, and a diagnostic was developed to monitor the high-power field ratio. Calibration of the RF probes, a model for analyzing RF measurements, and Superfish simulations of bead and RF measurements are described.

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  • Report No.: SLAC-TN-10-056
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/993721 | External Link
  • Office of Scientific & Technical Information Report Number: 993721
  • Archival Resource Key: ark:/67531/metadc1014876

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  • December 3, 2010

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 2, 2017, 7:30 p.m.

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Gierman, S.M. Cold Test Measurements on the GTF Prototype RF Gun, report, December 3, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1014876/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.