First beam test of Δφ-A initial beam loading compensation for electron linacs

Author

Satoh, M. ; Iida, K. ; Harada, K. ; Takaki, H. ; Koseki, T. ; Nakamura, N. ; Sakai, T. ; Ishiwata, K. ; Yokoyama, K. ; Hayakawa, Y. ; Hayakawa, K. ; Tanaka, T. ; Sato, I. ; Miura, S. ; Matsumoto, T. ; Shidara, T. ; Fukuda, S. ; Kobayashi, H. ; Kamiya, Y.

Author_Institution

Synchrotron Radiat. Lab., Univ. of Tokyo, Chiba, Japan

Volume

5

fYear

2001

fDate

2001

Firstpage

3954

Abstract

The initial beam loading effect may cause serious beam loss in the electron linac of the Super SOR light source. Because of the large energy spread, it is difficult to compensate the beam loading with ordinary methods, such as the adjustment of injection timing and the ECS (Energy Compensation System). A phase-amplitude (Δφ-A) modulation system has already been developed and tested. A first beam test using this system was carried out at the 125MeV electron linac of the Laboratory for Electron Beam Research and Application (LEBRA) in Nihon University. The result shows that our system corrects well the energy spread due to the initial beam loading effect. In this paper, we report the results of first beam test

Keywords

beam handling techniques; electron accelerators; linear accelerators; Δφ-A initial beam loading compensation; 125 MeV; Super SOR light source; amplitude modulation method; electron linacs; energy spread; first beam test; initial beam loading effect; phase-amplitude modulation system; Acceleration; Detectors; Electron beams; Linear accelerators; Particle beams; Phase detection; Phase modulation; Radio frequency; System testing; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001

Conference_Location

Chicago, IL

Print_ISBN

0-7803-7191-7

Type

conf

DOI

10.1109/PAC.2001.988309

Filename

988309