Model Test of Biperiodic L-support Disk-and-Washer Linac Structure.

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  • Ao Hiroyuki
    Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • Inoue Makoto
    Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • Iwashita Yoshihisa
    Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • Noda Akira
    Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • Shirai Toshiyuki
    Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan

書誌事項

公開日
2000
DOI
  • 10.1143/jjap.39.651
公開者
The Japan Society of Applied Physics

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説明

A disk-and-washer (DAW) structure with biperiodic L-support was studied. Aluminum models were fabricated by calculation studies. Information for tuning the frequency was accumulated through cold model measurements. The material strength of oxygen free copper (OFC) was measured for the fabrication of the high-power model fabricated with OFC. A load test confirmed that OFC was enough sufficiently strong for this structure, although the DAW has structural complexity. On the basis of these results, eleven two-cell-units with a high-power model cavity made of OFC were fabricated. The accelerating mode and coupling mode frequencies of the entire structure were evaluated to be -1.1 MHz and -3.5 MHz, respectively, within the operating frequency of 2857 MHz, and ±2% electric field flatness was achieved. These values are sufficient for the requirements of a high-power model. A detailed design which aimed at electron acceleration was established for the DAW structure with biperiodic L-support.

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