Development of Rewritable Dual-Layer Phase-Change Optical Disks

Abstract

Dual-layer optical disks comprised of two data layers were developed to study readout/write/erase characteristics. This disk was composed of recording layer land 2, of high transmittance and high reflectivity, respectively. Layer 1 and 2 of 15 and 20 nm increase transmittance and reduce writing power for recording. Only 1.5 mV laser power was sufficient for readout, 9 and 16 mW was required for recording on recording layer 1 and 2, respectively. The dual-layer disk can double data capacity on a disk substrate.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2000
Accession Number
ADP011861

Entities

People

  • Feng H. Wu
  • Han P. Shieh
  • Tsung E. Hsieh

Organizations

  • National Chiao Tung University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Absorption
  • Absorption Coefficients
  • Engineering
  • Films
  • Frequency
  • Information Processing
  • Laser Beams
  • Lasers
  • Materials
  • Materials Science
  • Optical Storage
  • Optics
  • Peak Power
  • Phase Change Materials
  • Reflectivity
  • Simulations
  • Thin Films

Fields of Study

  • Physics

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Optical Physics and Photonics.
  • Traumatic Brain Injury (TBI) and Cognitive Aging in the Guam and Border Populations Affected by Alzheimer's Disease and Tau-Associated Dementias.

Technology Areas

  • Directed Energy
  • Directed Energy - Pulsed-Laser Deposition