Swiss Light Source (SLS)


The Swiss Light Source (SLS) at the Paul Scherrer Institut is a third-generation synchrotron light source. In the design of SLS a high priority was given to the items quality (high brightness), flexibility (wide wavelength spectrum) and stability (very stable temperature conditions) for the primary electron beam and the secondary photon beams. The Swiss National Source is open for international research groups as well as Swiss users, and offers unique research opportunites to academic research teams as well as industrial research groups.

  • The experimental programme started in June 2001.
  • A world record low value of 3 pm rad has been achieved in 2008.

Latest News From the Swiss Light Source – SLS

Switzerland, Villigen
Energy: 2.4 GeV
Current: 400 mA
Operational Beamlines: 16
Horizontal emittance: 5.5 nm rad
Vertical emittance: 3 pm rad
Call for proposals
The website offers all the information about all proposal deadlines.
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View SLS on
The catalogue of European Lightsources