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.
Keywords
Optical storageReading (process)Photochromism3D optical data storageComputer scienceInformation storagePhotonComputer data storageOptical discAbsorption (acoustics)OptoelectronicsOpticsMaterials sciencePhysicsComputer hardwareNanotechnology
Affiliated Institutions
Related Publications
Structure and Dynamics in Solids As Probed by Optical Spectroscopy
Optical spectroscopy provides a useful tool for probing the structure and dynamics of solids. Over the years, optical methods have evolved from absorption spectroscopy to more c...
Electronic States in Vitreous Selenium
The quantum efficiency for photoproduction of electrons and holes in vitreous selenium has been measured at room temperature for photon energies between 2.0 and 3.1 eV. Electron...
Optical Properties and Electronic Structure of Amorphous Germanium
Abstract The optical constants of amorphous Ge are determined for the photon energies from 0.08 to 1.6 eV. From 0.08 to 0.5 eV, the absorption is due to k ‐conserving transition...
Color 3-D Imaging of Normal and Pathologic Intracranial Structures
The overall feasibility of 3-D color imaging is determined, taking into account display method, display options, and image processing system. The method is based on the display ...
High-speed three-dimensional X-ray computed tomography: The dynamic spatial reconstructor
Most X-ray CT scanners require a few seconds to produce a single two-dimensional (2-D) image of a cross section of the body. The accuracy of full three-dimensional (3-D) images ...
Publication Info
- Year
- 1989
- Type
- article
- Volume
- 245
- Issue
- 4920
- Pages
- 843-845
- Citations
- 1586
- Access
- Closed
External Links
Social Impact
Altmetric
PlumX Metrics
Social media, news, blog, policy document mentions
Citation Metrics
1586
OpenAlex
Cite This
Dimitri A. Parthenopoulos,
P. M. Rentzepis
(1989).
Three-Dimensional Optical Storage Memory.
Science
, 245
(4920)
, 843-845.
https://doi.org/10.1126/science.245.4920.843
Identifiers
- DOI
- 10.1126/science.245.4920.843