Using tungsten oxide based thin films for optical memory and the effects of using IR combined with blue/blue-green wavelengths

Rebecca Bussjager, Joseph Chaiken, Mark Getbehead, David Grucza, Captain Dan Hinkel, Thomas McEwen, Joseph Osman, Ethan Voss

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Utilizing a form of tungsten oxide as the physical medium for optical memory, we show that infrared irradiation provides heat to the lattice structure while blue or blue-green light provides electronic excitation to initiate a photochromic chemical change. We have constructed and tested a spin stand based demonstration system for this form of optical memory. Tungsten oxide offers potential advantages in storage density, storage capacity, write speed, signal to noise, processing flexibility, data robustness, and overall, cost.

Original languageEnglish (US)
Pages (from-to)789-796
Number of pages8
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume39
Issue number2 B
DOIs
StatePublished - Jan 1 2000

Keywords

  • Optical memory
  • Photochromic memory
  • Tungsten oxide

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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