A method and apparatus for recording and/or reproducing holographic data and a holographic information storage medium, wherein the apparatus for recording and/or reproducing holographic information includes an optical pickup emitting light onto a holographic information storage medium and receiving the...http://www.google.com.au/patents/US8149676?utm_source=gb-gplus-sharePatent US8149676 - Apparatus and method for recording/reproducing holographic data and holographic data storage medium
