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Proceedings Paper

Optical disk structure analysis with finite-difference time domain (FDTD) method
Author(s): Jian Ming Li; L. P. Shi; K. G. Lim; Xiang Shui Miao; Rong Zhao; Tow Chong Chong
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Paper Abstract

A method of high-density optical disk structure design using computational electromagnetic FDTD analysis is proposed. A staircase method is used to simulate the realistic sidewall geometrical structure of the land-groove of phase-change optical disk. The phase-change materials appear as different optical characteristics under irradiation of different frequency laser beam. Materials models in the FDTD scheme have been studied to solve the computational instability. Using this FDTD method, the structures of the phase-change optical disk with blue laser and high-NA system are investigated.

Paper Details

Date Published: 16 September 2003
PDF: 9 pages
Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); doi: 10.1117/12.532654
Show Author Affiliations
Jian Ming Li, Data Storage Institute (Singapore)
L. P. Shi, Data Storage Institute (Singapore)
K. G. Lim, Data Storage Institute (Singapore)
Xiang Shui Miao, Data Storage Institute (Singapore)
Rong Zhao, Data Storage Institute (Singapore)
Tow Chong Chong, Data Storage Institute (Singapore)

Published in SPIE Proceedings Vol. 5069:
Optical Data Storage 2003
Michael O'Neill; Naoyasu Miyagawa, Editor(s)

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