期刊
PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
卷 16, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevSTAB.16.020701
关键词
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资金
- Joint Studies Program of the Institute for Molecular Science
- JSPS fellowship program for research in Japan [S-09171]
- Projet International de Cooperation Scientifique (PICS) from CNRS
- JSPS [B20360041]
- ANR [Blanc 2010-042301]
- French Ministere charge de la Recherche
- Region Nord-Pas de Calais
- FEDER
- Grants-in-Aid for Scientific Research [22340107] Funding Source: KAKEN
We study the efficiency limitation affecting laser-induced coherent synchrotron radiation (CSR) at high laser power. Experiments are made on the UVSOR-II storage ring in conditions of narrowband terahertz CSR emission. While, at moderate power, CSR power increases quadratically with laser power, a noticeable decrease in efficiency and eventually a decrease in CSR power is observed experimentally at high power. Details of the underlying process are analyzed numerically. As the saturation effect depends almost instantaneously on the laser intensity, the saturation occurs locally in longitudinal space. This has important consequences on the modulation pattern induced on the electron bunch. DOI: 10.1103/PhysRevSTAB.16.020701
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