复旦大学：《医学物理与实验》课程教学资源（PPT课件讲稿）同步辐射原理与医学应用 第一讲 同步辐射原理、特性与应用

医学物理 同步辐射原理与医学应用 张新夷 物理楼243室 65643522 Xy-zhang@fudan.edu.cn http:/phylab.fudanedu.cn

医学物理 同步辐射原理与医学应用 张新夷 物理楼243室 65643522 xy-zhang@fudan.edu.cn http://phylab.fudan.edu.cn

第一讲同步辐射原理、特性与应用

第一讲 同步辐射原理、特性与应用

Lorentz force F=q×B F

F  qV  B    + − F  Lorentz force F  V  V  B  B 

个↑1个个1 个个个111 會个1 合个个个 合个个分分

o高亮度 2寬光谱 电子储存环 弯转磁铁 插入件 3短脉冲 ④全偏振

弯转磁铁 插入件 电子储存环 高亮度 寬光谱 短脉冲 全偏振

(1)Injection system: it generates(3)One of the ben Schematic Overview electrons that are then injected of a Synchrotron into the storage ring Light Source culating electron bea Electron in the array for the x-rays suitable for crystanograpbyoduce where th circulate for many hours gives back to the circulating electrons the energy lost by emitting light simultaneously serving circulating in the storage ring (4)Under the influence of a I th circulating electrons emit ator and its beamline, An undulator is a synchrotron light. periodic array of magnets forcing the electrons to emit (5) The emitted light is ultrabright synchrotron light in a narrow wavelength band collected by a beamline and conveyed to Synchrotron light is useful for a huge variety of applica- tions based on crystallography and other industria brica- tion and many other aracteristics hotton experimental approaches (7) At the end of each light requires a series of support synchrotron light

Stanford Linear Accelerator Center. SLAC

Bird-eye view of NSrL