Info message Ce contenu n'est pas disponible en français. Ne plus afficher ce message. Beamline Layout The X-ray Interference Lithography facility is built in the same straight section with the SIS beamline. It has its own undulator and optics sharing the same optical hutch with the SIS beamline. Figure 1: Layout of the XIL-II. Sidebar Beamlines at SLS Get an overview of beamlines at the SLS