wang lin, xu hong liang, shang lei, et al. Longitudinal impedance calculation of coated ceramic vacuum chamber at HLS[J]. High Power Laser and Particle Beams, 2003, 15.
Citation:
wang lin, xu hong liang, shang lei, et al. Longitudinal impedance calculation of coated ceramic vacuum chamber at HLS[J]. High Power Laser and Particle Beams, 2003, 15.
wang lin, xu hong liang, shang lei, et al. Longitudinal impedance calculation of coated ceramic vacuum chamber at HLS[J]. High Power Laser and Particle Beams, 2003, 15.
Citation:
wang lin, xu hong liang, shang lei, et al. Longitudinal impedance calculation of coated ceramic vacuum chamber at HLS[J]. High Power Laser and Particle Beams, 2003, 15.
The purpose of this paper is to estimate the longitudinal coupling impedance of the coated ceramic vacuum chamber employed in new injection system of Hefei Light Source. For the regular axially symmetric boundary, the analytical results of the impedance for the coated ceramic chamber can be easily obtained by application field matching techniques to Maxwell equations in cylindrical coordinate system. For the irregular boundary used in HLS, it is very hard to obtain analytical result of impedance. Based on the impedance measurement principle of coaxial wire method, the impedance of ceramic chamber was numerically calculated. The calculated results showed that, although coating inside ceramic chamber can reduce impedance by some factor, the coated ceramic chamber is one of the main impedance
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