Rewritable optical recording (CDROM Read/Write) ( figures)
John Brusche

Site of the project:
Philips Research Laboratories, Eindhoven

Start of the project: October 2001

The Master project has been finished in September 2002 ( Masters Thesis). For working address etc. we refer to our alumnipage.

Summary of the master project:
At Philips Research Laboratories, Eindhoven research is done on phase change recording. During this process a laser beam is focused on a small spot. Due to the heat from this laser beam the material changes from a crystal phase into an amorphous phase. At this moment phase change is the best method for rewritable optical recording. In order to obtain a good model for the recording process it is necessary also to model the optical part of the process. This means the propagation of light in the optical disk and the adsorption of the electromagnetic energy. This process can be modelled by the software package Cyclop, which is based on Sepran.

The aim of the Masters project is to solve a 3 dimensional heat problem by Sepran, coupled with the optical problem solved by Cyclop. After this a number of simulations has to be done, in order to obtain the first computational results on phase change recording.

Temperature in XZ-surface         Temperature in YZ-surface

Contact information: Kees Vuik

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