3-D Optical Memory Disk

Abstract

In this report we describe optical disks that store data holographically in three dimensions using either angle multiplexing or wavelength multiplexing. Data is stored and retrieved in parallel blocks or pages, each page consisting of approximately one million bits. The storage capacity of such disks is derived as a function of disk thickness, pixel size, page size and scanning parameters. The optimum storage density is approximately 120 bits/micrometers.

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Document Details

Document Type
Technical Report
Publication Date
Jul 23, 1993
Accession Number
ADA267908

Entities

People

  • Demetri Psaltis

Organizations

  • California Institute of Technology

Tags

DTIC Thesaurus Topics

  • Classification
  • Dye Lasers
  • Dynamic Range
  • Electrical Engineering
  • Engineering
  • Frequency
  • Geometry
  • Laser Dyes
  • Lasers
  • Light Sources
  • Materials
  • Multiplexing
  • Piezoceramics
  • Security
  • Thickness
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Optical Physics and Photonics.