Welcome to OSQAR Experiment webpage!

OSQAR (Optical Search of QED vacuum magnetic birefringence, Axion and photon Regeneration) is an project consisting of precise mesurement experiment aiming in measurng the Quantum Electrodynamics magnetic Vacuum Birefringence and searching for axions, together with a Photon Regeneration experiment.

In OSQAR Collaboration participate 10 institutions from 4 countries..