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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 22 — Aug. 1, 2008
  • pp: 4133–4139

Terabyte recorded in two-photon 3D disk

Ed Walker, Alexander Dvornikov, Ken Coblentz, and Peter Rentzepis  »View Author Affiliations


Applied Optics, Vol. 47, Issue 22, pp. 4133-4139 (2008)
http://dx.doi.org/10.1364/AO.47.004133


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Abstract

1 Tbyte of data has been recorded in 200 layers inside the volume of one of our two-photon 3D disks. Each layer contains 5 Gb of data similar to the capacity of a single layer DVD. The results obtained with our high-performance 1.0 numerical aperture (NA) objective lens show a full disk recording of 1 Tbyte within a standard optical disk form factor 120 mm × 1.2 mm thick utilizing our very stable and efficient materials. Very high sensitivity materials are recorded with bit energies as low as 250 pJ / bit . Materials sensitive at 405 nm are experimentally tested by recording with a 405 nm Nichia laser diode. Results show that bit dimensions are further reduced, which enables future recordings of 5 Tbyte disk capacities by recording 25 Gb / layer , the equivalent of a Blu-ray disk capacity per layer.

© 2008 Optical Society of America

OCIS Codes
(160.2900) Materials : Optical storage materials
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories
(210.4680) Optical data storage : Optical memories
(210.4810) Optical data storage : Optical storage-recording materials

ToC Category:
Optical Data Storage

History
Original Manuscript: April 9, 2008
Revised Manuscript: June 12, 2008
Manuscript Accepted: June 27, 2008
Published: July 28, 2008

Citation
Ed Walker, Alexander Dvornikov, Ken Coblentz, and Peter Rentzepis, "Terabyte recorded in two-photon 3D disk," Appl. Opt. 47, 4133-4139 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-22-4133

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