Designing a multi-staggered array undulator

This investigation proposes a multi-staggered array undulator (MSAU) with periodic lengths of 20 mm, 26 mm and 34 mm to produce a broad range of photon energy. Three staggered structures in parallel with each other in a solenoid coil can be moved along the transverse axis to accommodate the electron beam. The magnetic structures are optimized to generate vertical field strengths by driving a longitudinal solenoid field of 0.7 T. Three-dimensional magnetic field analysis was performed using OPERA and RADIA computer code. The characteristics of photons from a 1.5 GeV storage ring with a multi-staggered array undulator were determined and the energies of the photons produced were in the 500-4000 eV range. This design of an undulator is described herein.