Analysis of Multipulse Strategies for High Data Rate Phase Change Optical Recording

Abstract

Multipulse strategies for two disk rotation velocities of the same phase change optical disk, were analyzed using simulations, at red and blue wavelengths. Results showed that at either wavelength, lower pulse duty cycles are needed at lower velocities to reduce recrystallization and higher duty cycles are needed at higher velocities. Optimal erase powers and cooling width for minimal overwrite jitter were also found.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 2001
Accession Number
ADP012317

Entities

People

  • Aparna C. Sheila
  • T. E. Schlesinger

Organizations

  • Carnegie Mellon University

Tags

DTIC Thesaurus Topics

  • Absorption
  • Crystallization
  • Data Rate
  • Equations
  • Laser Spots
  • Lasers
  • Materials
  • Melting Point
  • Modulation
  • Nucleation
  • Optical Materials
  • Recrystallization
  • Rotation
  • Simulations
  • Technical Information Centers
  • Thermal Diffusion
  • Time Intervals

Readers

  • Applied Combinatorial Optimization and Logic Circuit Design.
  • Radar Systems Engineering.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.