Urs Rohrer's Index page shows the entry points to Urs Rohrer's professional main activities at PSI. Urs Rohrer maintains some important beam optics programs. Urs Rohrer has also created the PSI Secondary Beam Line Control System.
Here are direct entry points to 3 topics which Urs Rohrer covers with a whole series of info. They all have to do with charged particle beam optics.