Title :
The UV-FEL at the NSLS: straight injection configuration
Author :
Zhang, Xiaohao ; Gallardo, Juan C.
Author_Institution :
Dept. of Phys., Brookhaven Nat. Lab., Upton, NY, USA
Abstract :
We present a design of a collinear RF-photocathode gun and linac sections for the ultraviolet free-electron laser under study at the National Synchrotron Light Source. An inverse Helmholtz solenoid pair is used to control the divergence of the electron beam and present a slightly convergent and small beam into a conventional SLAC linac. The relative distance of the gun to the linac and the strength of the solenoidal held are chosen to minimize the emittance growth of the beam due to space charge. The simulation codes PARMELA and TRACE-3D are used to model the beam from the cathode to the entrance to the wiggler
Keywords :
electron accelerators; free electron lasers; linear accelerators; particle beam diagnostics; photocathodes; Helmholtz solenoid; NSLS; National Synchrotron Light Source; PARMELA; RF-photocathode gun; TRACE-3D; UV-FEL; emittance growth; linac; space charge; ultraviolet free-electron laser; Cathodes; Electron beams; Free electron lasers; Laser beams; Light sources; Linear particle accelerator; Optical design; Solenoids; Space charge; Synchrotrons;
Conference_Titel :
Particle Accelerator Conference, 1993., Proceedings of the 1993
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-1203-1
DOI :
10.1109/PAC.1993.309559
