同步辐射
储存环
太赫兹辐射
物理
电子
束
过渡辐射
辐射
光学
同步加速器
热辐射计
原子物理学
梁(结构)
核物理学
探测器
作者
Heinz‐Wilhelm Hübers,Alexey Semenov,K. Holldack,U. Schade,G. Wüstefeld,G. N. Gol'Tsman
摘要
The time structure of coherent terahertz synchrotron radiation at the electron storage ring of the Berliner Elektronensynchrotron und Speicherring Gesellschaft has been analyzed with a fast superconducting hot-electron bolometer. The emission from a single bunch of electrons was found to last ∼1500ps at frequencies around 0.4THz, which is much longer than the length of an electron bunch in the time domain (∼5ps). It is suggested that this is caused by multiple reflections at the walls of the beam line. The quadratic increase of the power with the number of electrons in the bunch as predicted for coherent synchrotron radiation and the transition from stable to bursting radiation were determined from a single storage ring fill pattern of bunches with different populations.
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