Results and lessons learned from conditioning 1 MW CW 350 MHz coaxial vacuum windows

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Description

The reliability of the radio frequency (RF) windows on the Low Energy Demonstration Accelerator (LEDA) is critical to the success of the Accelerator Production of Tritium Program (APT). On the APT accelerator there will be over 1,000 windows, each passing on the order of 250 kW of CW RF power. This power level is well above power levels historically used in RF windows. Based on the high-power RF test results of the RF window prototypes from vendors, the coaxial windows made by EEV Ltd. of Chelmsford, England, were selected for LEDA. This paper describes the high-power RF testing of the ... continued below

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3 p.

Creation Information

Cummings, K.; Cordova, R.; Rees, D.; Roybal, W.; Risbud, S. & Wilcox, D. December 31, 1998.

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Description

The reliability of the radio frequency (RF) windows on the Low Energy Demonstration Accelerator (LEDA) is critical to the success of the Accelerator Production of Tritium Program (APT). On the APT accelerator there will be over 1,000 windows, each passing on the order of 250 kW of CW RF power. This power level is well above power levels historically used in RF windows. Based on the high-power RF test results of the RF window prototypes from vendors, the coaxial windows made by EEV Ltd. of Chelmsford, England, were selected for LEDA. This paper describes the high-power RF testing of the 16 EEV coaxial windows. The RF window diagnostic equipment, data acquisition system and test stand are described. The results of the high power RF testing of the windows are presented. The successes and failures in the conditioning, manufacturing and testing techniques of the windows are presented. The conditioning timeline, power profile and the conditioning waveform are also discussed.

Physical Description

3 p.

Notes

INIS; OSTI as DE99002401

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  • 19. international linac conference, Chicago, IL (United States), 23-28 Aug 1998

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  • Other: DE99002401
  • Report No.: LA-UR--98-3591
  • Report No.: CONF-980827--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/345041 | External Link
  • Office of Scientific & Technical Information Report Number: 345041
  • Archival Resource Key: ark:/67531/metadc684034

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  • December 31, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 7:21 p.m.

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Cummings, K.; Cordova, R.; Rees, D.; Roybal, W.; Risbud, S. & Wilcox, D. Results and lessons learned from conditioning 1 MW CW 350 MHz coaxial vacuum windows, report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc684034/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.