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.
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Publication Info
- Year
- 1989
- Type
- article
- Volume
- 245
- Issue
- 4920
- Pages
- 843-845
- Citations
- 1586
- Access
- Closed
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Identifiers
- DOI
- 10.1126/science.245.4920.843