Three-dimensional optical data storage through multi-photon confocal microscopy and imaging |
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Authors: | William DallariMarco Scotto Marco Allione Elena SamoylovaFrancesca Pignatelli Roberto CingolaniAthanassia Athanassiou Alberto Diaspro |
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Institution: | a Italian Institute of Technology, Genova I-16163, Italy b Center for Biomolecular Nanotechnologies - Italian Institute of Technology, Arnesano (LE) I-73010, Italy |
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Abstract: | Three dimensional optical data storage is one of the most promising tools to respond to the always growing demand for high data storage capacity. Here, we focused a femtosecond laser source by means of a confocal microscope onto different transparent recording media. The purpose of the study is to probe the capability of the system to independently address different data layers within the storage medium achieving thus three dimensional data storage. We demonstrated the possibility to write superposed independent layers of data due to either multiphoton excitation or to local optical breakdown and the performances observed in the different types of media used are compared. |
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Keywords: | Optical data storage Multiphoton confocal microscopy |
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