(under subclass 110) Subject matter wherein the intensity of the flux emanating from a record is determined by directing a beam of polarized light at the record and detecting the rotation of polarization caused by the flux.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements,
281+, and 484, for magneto-optical polarization.
365, Static Information Storage and Retrieval,
122, for information masking systems which use magneto-optical polarization.
