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RIS citation export for MOP030: RF measurement of SKKUCY-10 RF Cavity for Impedance Matching

AU  - Lee, J.C.
AU  - Chai, J.-S.
AU  - Gad, Kh.M.
AU  - Ghergherehchi, M.
AU  - Ha, D.H.
AU  - Kim, H.S.
AU  - Namgoong, H.
ED  - Conradie, Lowry
ED  - De Villiers, John Garrett
ED  - Schaa, Volker RW
TI  - RF measurement of SKKUCY-10 RF Cavity for Impedance Matching
J2  - Proc. of Cyclotrons2019, Cape Town, South Africa, 23-27 September 2019
CY  - Cape Town, South Africa
T2  - International Conference on Cyclotrons and their Applications
T3  - 22
LA  - english
AB  - The 10 MeV cyclotron was designed for next version in Sungkyunkwan University, after the SKKUCY-9 had developed for medical application for PET. The RF cavity, which generates the electric field in cyclotron, was designed based on a half-wavelength resonator and optimized to improve the unloaded quality factor (Q₀). The design specifications of RF cavity were resonance frequency 83.2 MHz, Q₀ 5830 and Dee voltage 40 kV with geometrical values resonator length 560 mm, Dee angle 35° and Stem radius 16 mm. The RF cavity of the SKKUCY-10 was fabricated and installed inside the electromagnet, and RF characteristics were measured with a network analyzer. The RF coupling coefficient and characteristic impedance for desired condition were selected at 1.08 and 52 ’, respectively. The RF coupling coefficient and characteristic impedance were measured 0.8-1.2, 52-49 ’ according to temperature as 15-21°C. The power coupler was checked for optimization of RF coupling coefficient and characteristic impedance, and the results show good agreement with simulated and measured data.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 100
EP  - 102
KW  - cavity
KW  - coupling
KW  - impedance
KW  - cyclotron
KW  - beam-loading
DA  - 2020/06
PY  - 2020
SN  - 978-3-95450-205-9
DO  - doi:10.18429/JACoW-Cyclotrons2019-MOP030
UR  - http://jacow.org/cyclotrons2019/papers/mop030.pdf
ER  -