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Optimal design and fabrication of a RF cavity for accelerator mass spectrometry system cyclotron

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Abstract

This study designed a radio frequency (RF) cavity for a cyclotron-based accelerator mass spectrometry (AMS) system. A cyclotron-based AMS system was used to accelerate 12C−, 13C−, and 14C− particles. The experiment results confirmed that three resonant frequencies of the designed RF cavity accelerated the three particles. The RF cavity was a quarter-wavelength resonator (QWR) type and had an external inductor–capacitor (LC) circuit. The operating frequency range of the fabricated RF cavity was 8.5–10 MHz with coupling coefficients of 0.86, 0.99, and 1.11 at resonant frequencies of 8.85, 9.17, and 9.52 MHz, respectively. The reflected power at each frequency was less than 1%.

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Acknowledgements

This work was supported by a Korea Medical Device Development Fund grant funded by the Korean government (Ministry of Science and ICT) (Project Number:1711135001, KMDF_PR_20200901_0042).

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Authors and Affiliations

  1. College of Information and Communication Engineering, Sungkyunkwan University, Seobu-ro, Jangan-gu, Suwon-si, 2066, Republic of Korea

    Donghyup Ha, Mitra Ghergherehchi, Hyojeong Choi, Ho Namgoong, Mustafa Mumyapan & Jong-Seo Chai

  2. Department of Electronic Engineering, Catholic Kwandong University, 24, Beomil-ro, 579, Beon-gil, Gangneung-si, Gangwon-do, 25601, South Korea

    Hoseung Song

  3. Advanced Research Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Republic of Korea

    Jongchul Lee

  4. Vvind, 5, Yuljeon-ro 64, Beon-gil, Jangan-gu, Suwon-si, Gyeonggi-do, Republic of Korea

    Seung-wook Shin

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  1. Donghyup Ha
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  2. Hoseung Song
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  3. Mitra Ghergherehchi
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  4. Hyojeong Choi
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  5. Seung-wook Shin
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  6. Jongchul Lee
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  7. Ho Namgoong
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  8. Mustafa Mumyapan
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  9. Jong-Seo Chai
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Correspondence to Jong-Seo Chai.

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Ha, D., Song, H., Ghergherehchi, M. et al. Optimal design and fabrication of a RF cavity for accelerator mass spectrometry system cyclotron. J. Korean Phys. Soc. 82, 731–739 (2023). https://doi.org/10.1007/s40042-023-00731-y

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  • DOI: https://doi.org/10.1007/s40042-023-00731-y

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