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Optical data storage in nonphotosensitive media by femtosecond laser pulses
Authors:Li Yan  Liu Dayong  Dou Yanping  Yang Hong and Gong Qihuang
Institution:State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, China
Abstract:Ultrashort lasers have become powerful tools by inducing extremely nonlinear effects in a wide variety of materials. Femtosecond laser data storage in non-photosensitive media is promising for its high density and fast retrieval. We reviewed the progress of three types of femtosecond laser storage in transparent materials: three-dimensional bit-oriented storage by micro-voids, holographic data storage by two beam interference and storage by computer-generated holograms.
Keywords:femtosecond laser  three-dimensional data storage  holographic data storage  computer-generated hologram
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