The design of the material science beamline, I811, at MAX-II

The material science beamline is a multi-purpose beamline intended for experiments in the photon energy range 2.4–20 keV. The beamline will be located at port I811 of the MAX-II ring. According to our planning the first experiments will be conducted in the spring 2001. In order to overcome the relatively low energy of the electron-beam in the MAX II ring (1.5 GeV) we will use a super-conducting multi-pole wiggler insertion device. The disadvantage with this solution is the high K value (K=20) of the device, which leads to a divergent X-ray beam. The optical solutions for the beamline therefore emphasizes on solving the divergence problem of the photon beam and the high heat load on the optical elements.