1. LOM and HOM damping study in a superconducting deflecting cavity for ALS at LBNL
- Author
-
Jia-Ru, Shi, Huai-Bi, Chen, Chuan-Xiang, Tang, Shu-Xin, Zheng, and Li, Derun
- Subjects
Physical Sciences ,Condensed Matter Physics ,deflecting cavity ,lower order mode ,impedance calculation ,HOM damping ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Nuclear & Particles Physics ,Atomic ,molecular and optical physics ,Particle and high energy physics - Abstract
Superconducting deflecting cavities can be used in synchrotron light source to generate subpico-second X-ray pulses while the impedance of the lower order modes (LOM) and higher order modes (HOM) in the cavity should be kept below an accepted level to avoid beam instability. These modes can be damped by adding waveguide on beam pipe. Detailed simulation of Q in CST Microwave Studio is introduced and experiment results on an aluminum model cavity with damping waveguide are reported to make a comparison.
- Published
- 2008