Write-once volumetric optical disk using transparent recording material with an optical switching layer

Fung Hsu Wu, Han Ping D Shieh, Thomas D Milster, Der Ray Huang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A volumetric optical disk having multiple transparent films with optical switching layers is proposed as a recordable medium to increase the number of recording layers. In the disk, an optical switching layer is adopted to reduce laser energy decay and increase recording sensitivity for reading and recording, respectively. A well-defined deformation area (mark) with submicron to nanometric dimensions can be yielded precisely on the transparent films by a focused laser beam. The peak writing power of 7mW for a four-layer recordable medium, fabricated by molding and spin bonding techniques, was demonstrated experimentally as an example. The proposed volumetric disk can achieve a higher recording capacity by using conventional optical pickup units.

Original languageEnglish (US)
Pages (from-to)4937-4940
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume43
Issue number7 B
DOIs
StatePublished - Jul 2004

Fingerprint

optical disks
optical switching
recording
Pickups
Molding
Laser beams
Lasers
laser beams
sensitivity
sensors
decay
lasers
energy

Keywords

  • Multilayer optical disk
  • Optical nonlinearity
  • Optical switching layer
  • Silver oxide structure
  • Volumetric optical disk

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Write-once volumetric optical disk using transparent recording material with an optical switching layer. / Wu, Fung Hsu; Shieh, Han Ping D; Milster, Thomas D; Huang, Der Ray.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 43, No. 7 B, 07.2004, p. 4937-4940.

Research output: Contribution to journalArticle

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