Abstract
Thermal behavior in land–groove phase-change optical recording has
been examined for different polarizations of the incident
beam. Three-dimensional temperature distribution in the grooved
medium is evaluated by the numerical solution of Maxwell’s equations
and the heat transfer equation with the finite-difference
method. Both experiments and calculations have shown that the
thermal behavior in the medium is dependent on the state of
polarization and the nature of the track. The calculated mark
shapes in a quadrilayer stack are in good agreement with experimental
observations.
© 2002 Optical Society of America
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