INSERTION DEVICES FOR THE CANDLE LIGHT SOURCE

摘要

The chosen three conventional planar PM IDs at first stage of CANDLE commissioning will produce the photon beams with world class fluxes and brightness. The impact of these IDs on beam parameters are tolerable. More severe to the CANDLE beam stability are the effects, caused by strong wiggler with the magnetic field 1.98 T. In this case, the linear perturbation shifts the tune's operation point close to third-integer resonance line as well as to the high beta-beating. The installation of local correcting quadrupoles at both ends of IDs for recovery machine main parameters is mandatory. The dynamic aperture in presence of IDs is sufficient for obtaining a reasonable beam lifetime. The investigation of IDs field errors and misalignments on dynamic aperture and beam lifetime is in progress . The CANDLE straight section specifications show the capability to incorporate all modern type IDs for various research fields. The IDs will be gradually added to machine straight sections according to the user demands.