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<p>A RadioFrequency Quadrupole (RFQ) cooler-buncher system was developed and implemented in a collinear laser spectroscopy setup. This system converts a continuous ion beam into short bunches while enhancing the beam quality and reducing the energy spread. The functionality of the RFQ cooler buncher was verified through offline tests with stable rubidium and indium beams delivered from a surface ion source and a laser ablation ion source, respectively. Bunched ion beams with a full width at half maximum of approximately 2&#xa0;<InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\upmu\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="normal">μ</mi> </math></EquationSource> </InlineEquation>s in the time-of-flight spectrum were successfully achieved with a transmission efficiency exceeding 60%. The implementation of the RFQ cooler-buncher system also significantly improved the overall transmission efficiency of the collinear laser spectroscopy setup.</p>

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Commissioning of a radiofrequency quadrupole cooler-buncher for collinear laser spectroscopy

  • 期刊论文

  • 发表日期：

    2025年12月7日

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  • Yin-Shen Liu,
  • Han-Rui Hu,
  • Xiao-Fei Yang,
  • Wen-Cong Mei,
  • Yang-Fan Guo,
  • Zhou Yan,
  • Shao-Jie Chen,
  • Shi-Wei Bai,
  • Shu-Jing Wang,
  • Yong-Chao Liu,
  • Peng Zhang,
  • Dong-Yang Chen,
  • Yan-Lin Ye,
  • Qi-Te Li,
  • Jie Yang,
  • Stephan Malbrunot-Ettenauer,
  • Simon Lechner,
  • Carina Kanitz

摘要

A RadioFrequency Quadrupole (RFQ) cooler-buncher system was developed and implemented in a collinear laser spectroscopy setup. This system converts a continuous ion beam into short bunches while enhancing the beam quality and reducing the energy spread. The functionality of the RFQ cooler buncher was verified through offline tests with stable rubidium and indium beams delivered from a surface ion source and a laser ablation ion source, respectively. Bunched ion beams with a full width at half maximum of approximately 2  \(\upmu\) μ s in the time-of-flight spectrum were successfully achieved with a transmission efficiency exceeding 60%. The implementation of the RFQ cooler-buncher system also significantly improved the overall transmission efficiency of the collinear laser spectroscopy setup.