Construction and testing of an 11.4 GHz dielectric structure based travelling wave accelerator.

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One major challenge in constructing a dielectric loaded traveling wave accelerator powered by an external rf power source is the difficulty in achieving efficient coupling. In this paper, we report that we have achieved high efficiency broadband coupling by using a combination of a tapered dielectric section and a carefully adjusted coupling slot. We are currently constructing an 11.4 GHz accelerator structure loaded with a permitivity=20 dielectric. Bench testing has demonstrated a coupling efficiency in excess of 95% with bandwidth of 600 MHz. The final setup will be tested at high power at SLAC using an X-band klystron rf source.

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5 p.

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Gai, W.; Konecny, R.; Wong, T. & Zou, P. March 26, 1999.

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Description

One major challenge in constructing a dielectric loaded traveling wave accelerator powered by an external rf power source is the difficulty in achieving efficient coupling. In this paper, we report that we have achieved high efficiency broadband coupling by using a combination of a tapered dielectric section and a carefully adjusted coupling slot. We are currently constructing an 11.4 GHz accelerator structure loaded with a permitivity=20 dielectric. Bench testing has demonstrated a coupling efficiency in excess of 95% with bandwidth of 600 MHz. The final setup will be tested at high power at SLAC using an X-band klystron rf source.

Physical Description

5 p.

Notes

OSTI as DE00011746

Medium: P; Size: 5 pages

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  • 1999 Particle Accelerator Conference, New York, NY (US), 03/29/1999--04/02/1999

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  • Report No.: ANL-HEP-CP-99-31
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11746
  • Archival Resource Key: ark:/67531/metadc624406

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  • March 26, 1999

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  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 12:16 p.m.

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Gai, W.; Konecny, R.; Wong, T. & Zou, P. Construction and testing of an 11.4 GHz dielectric structure based travelling wave accelerator., article, March 26, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc624406/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.