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Science. 1989 Aug 25;245(4920):843-5.

Three-dimensional optical storage memory.

Abstract

A novel three-dimensional (3-D) optical memory device is presented that allows fast random access of the information and extremely high bit densities. This device is based on two-photon writing, reading, and erasing of the information in a photochromic material embedded in a polymer matrix. Absorption and emission data show that two-photon writing and reading of information is feasible. The advantages and properties of such a 3-D optical memory are discussed.

PMID:
17773360
[PubMed]
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