Author/Authors :
Castro، نويسنده , , P and Faatz، نويسنده , , B and Flِttmann، نويسنده , , K، نويسنده ,
Abstract :
Since the Free Electron Laser process is based on the interaction of an electron beam with the photon beam, an excellent spatial overlap of the two beams is mandatory. The aim of beam based alignment is to obtain a beam trajectory on an arbitrary straight line over the length of the undulator. A local and a global procedure to correct the effect of misalignments and field errors on the beam orbit will be presented and compared.
