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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 22, Iss. 4 — Apr. 1, 2005
  • pp: 773–786

Finite-element model for phase-change recording

J. H. Brusche, A. Segal, and H. P. Urbach  »View Author Affiliations

JOSA A, Vol. 22, Issue 4, pp. 773-786 (2005)

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The finite-element method is applied to model phase-change recording in a grooved recording stack. A rigorous model for the scattering of a three-dimensional focused spot by a one-dimensional periodic grating is used to determine the absorbed light in a three-dimensional region inside the phase-change layer. The optical model is combined with a three-dimensional thermal model to compute the temperature distribution. Land and groove recording and polarization dependence are studied, and the model is applied to the Blu-ray Disc.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(210.0210) Optical data storage : Optical data storage
(210.4590) Optical data storage : Optical disks
(210.4770) Optical data storage : Optical recording

Original Manuscript: May 20, 2004
Revised Manuscript: October 5, 2004
Manuscript Accepted: October 5, 2004
Published: April 1, 2005

J. H. Brusche, H. P. Urbach, and A. Segal, "Finite-element model for phase-change recording," J. Opt. Soc. Am. A 22, 773-786 (2005)

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