Central Laser Facility The ISIS neutron spallation neutron source is located at the Rutherford Appleton Laboratoryof the Central Laboratories of the Research Councils. The CLF Facility was established in 1977 to provide lasers and associated instrumentation for use by UK university researchers. EPSRC-supported activity at the facility includes research using the two large laser installations, Vulcan and Titania, and a number of table-top systems in the Lasers for Science Facility for research in physics, chemistry, and materials science.