Title :
A turn by turn photon beam profile observation by a laser beam saturated photodiode
Author :
Hsu, Ian C. ; Lee, C.H. ; Cheng, G.-T.
Author_Institution :
Dept. of Nucl. Sci., Nat. Tsing Hua Univ., Hsinchu, Taiwan
Abstract :
A fast photodiode was demonstrated to be able to extract the turn by turn photon beam profile information of electron storage rings if the photodiode was operated at the saturated region. When applied this method to a 1.3 GeV synchrotron light source with 200 mA beam current, the synchrotron radiation intensity is not intense enough to saturate the photodiode. To apply this method to the type of light source as previously mentioned, a flat-top laser beam was constructed to saturate the photodiode. The theory and the preliminary experimental results are presented and discussed
Keywords :
X-ray production; electron accelerators; particle beam diagnostics; photodiodes; storage rings; 1.3 GeV; 200 mA; electron storage rings; fast photodiode; flat-top laser beam; laser beam saturated photodiode; saturated region; synchrotron light source; turn by turn photon beam profile; Damping; Laser beams; Laser theory; Light sources; Particle beams; Photoconductivity; Photodiodes; Ring lasers; Structural beams; Synchrotron radiation;
Conference_Titel :
Particle Accelerator Conference, 1997. Proceedings of the 1997
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-4376-X
DOI :
10.1109/PAC.1997.751149
