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Adapting TESLA technology for future cw light sources using HoBiCaT.

O Kugeler1, A Neumann, W Anders

  • 1Helmholtz-Zentrum-Berlin (HZB), 12489 Berlin, Germany. oliver.kugeler@helmholtz-berlin.de

The Review of Scientific Instruments
|August 7, 2010
PubMed
Summary

The HoBiCaT facility successfully tested superconducting radio-frequency (RF) cavities in continuous wave (cw) mode. TESLA pulsed technology was adapted for cw operation, addressing thermal losses and cryogenics.

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Area of Science:

  • Applied physics
  • Accelerator technology
  • Superconductivity

Background:

  • The Helmholtz-Zentrum Berlin and BESSY operate the HoBiCaT facility for testing superconducting cavities.
  • Superconducting RF cavities are crucial components in particle accelerators.

Purpose of the Study:

  • To test superconducting cavities in continuous wave (cw) mode of operation.
  • To demonstrate the feasibility of adapting TESLA pulsed technology for cw operation.

Main Methods:

  • Operation of the HoBiCaT facility since 2005.
  • Testing superconducting cavities using TESLA pulsed technology with minor modifications.
  • Addressing issues related to thermal losses, cryogenics, cavity processing, operational parameters, higher order modes, tuners, and couplers.

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Main Results:

  • Successful demonstration of TESLA pulsed technology for cw operation with minimal changes.
  • Identification and solutions for elevated dynamic thermal losses in cavity walls.
  • Optimized operational parameters like cavity temperature and bandwidth.
  • Characterization of higher order modes and assessment of existing tuner and coupler usability for cw.

Conclusions:

  • The HoBiCaT facility effectively enables testing of superconducting cavities in cw mode.
  • TESLA pulsed technology is adaptable for cw operation, paving the way for advanced accelerator designs.