A system and method for measuring a phase difference between first and second reflected polarized light signal components, including transmitting a first incident light signal toward a first object, wherein the first object is a magnetic disk and/or a glass substrate. Seperating from a reflected light...http://www.google.de/patents/US6956660?utm_source=gb-gplus-sharePatent US6956660 - System and method for measuring properties of an object using a phase difference between two reflected light signals
System and method for measuring properties of an object using a phase ...
