B. Dwersteg et al., RF GUN DESIGN FOR THE TESLA VUV FREE-ELECTRON LASER, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 393(1-3), 1997, pp. 93-95
A high brightness rf gun for the VUV FEL at the TESLA Test Facility is
under construction at DESY. Besides challenging beam parameters a hig
h duty cycle of 1% is demanded which requires a powerful cooling syste
m. The rf and the mechanical design of the gun cavity and a new symmet
ric input coupler are presented. Simulation results and the emittance
budget of the gun are discussed.