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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 26 — Dec. 24, 2007
  • pp: 17798–17804

Wavelength-multiplexed submicron holograms for disk-compatible data storage

Pengfei Wu, Zhiqiang Liu, Jame J. Yang, Angel Flores, and Michael R. Wang  »View Author Affiliations

Optics Express, Vol. 15, Issue 26, pp. 17798-17804 (2007)

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By using a hybrid diffractive and refractive achromat with extended depth of focus, we have successfully recorded a micro-hologram array with diffraction-limited individual spot size maintained throughout the thickness of recording medium. An electrically programmable wavelength combiner was constructed in which a white light source was adopted. By modifying on a commercial CD readout head, we configured a compact micro-hologram recording/readout system that is compatible to existing disk storage technology. Base on the wavelength combiner and recording/readout system, wavelength-multiplexed micro-holograms were recorded and recovered. The presented results demonstrate the practicality of our novel storage architecture.

© 2007 Optical Society of America

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Optical Data Storage

Original Manuscript: October 22, 2007
Revised Manuscript: December 5, 2007
Manuscript Accepted: December 11, 2007
Published: December 13, 2007

Pengfei Wu, Zhiqiang Liu, Jame J. Yang, Angel Flores, and Michael R. Wang, "Wavelength-multiplexed submicron holograms for disk-compatible data storage," Opt. Express 15, 17798-17804 (2007)

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