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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 3 — Feb. 6, 2006
  • pp: 1199–1207

Modeling and realization of a multilevel read-only disk

Jie Song, Yi Ni, Duanyi Xu, Longfa Pan, Qicheng Zhang, and Heng Hu  »View Author Affiliations

Optics Express, Vol. 14, Issue 3, pp. 1199-1207 (2006)

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A model for exposing and developing photoresist using the reaction mechanism of physics and the chemistry of resist is built, and the micropatterns of recording marks on a stamper are calculated. Compared with our experimental results, the deviation of pit width in simulation is less than 8%. When the width of recording marks is varied by modulating laser power during exposure, a multilevel (ML) read-only disk can be achieved as a result of the corresponding readout signal. Experimental results show that an 8-level read-only optical disk can be realized. The model of mastering serves well for the development of novel ML disks in which the integration of conventional run-length deviations technologies can greatly increase recording density.

© 2006 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(330.4060) Vision, color, and visual optics : Vision modeling

ToC Category:
Optical Data Storage

Original Manuscript: October 19, 2005
Revised Manuscript: December 23, 2005
Manuscript Accepted: January 3, 2006
Published: February 6, 2006

Jie Song, Yi Ni, Duanyi Xu, Longfa Pan, Qicheng Zhang, and Heng Hu, "Modeling and realization of a multilevel read-only disk," Opt. Express 14, 1199-1207 (2006)

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