Abstract

Iterative data reconstruction in a thin photonic data storage medium using three-dimensional (3D) absorbers in a highly scattering medium is presented for secure data storage. 3D absorbers are used as data. A highly scattering medium protects data to measure 3D absorbers without knowledge of the scattering coefficient distribution because the phase information is lost during multiple scattering. This prevents an interferometer from measuring the volume medium. To recover the 3D absorbers, a 3D scattering coefficient distribution model is used as prior information and then an iterative method is applied to reduce the difference between the measured and numerical output intensity distributions. A preliminary numerical evaluation is presented.

© 2009 Optical Society of America

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