FDTD Analysis of Light-Beam Scattering from a Blue Laser Optical Disk Model with Random Rough Surfaces(Optical recording & PMR media,The 8th Asian Symposium on Information Storage Technology (ASIST-8))

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概要

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• In order to realize a higher density version of the conventional optical disk, shorter wavelength laser and narrower track pitch have been put to practical use. However, using narrow track pitch can cause the increase of the crosstalk from the adjacent tracks. Moreover, the use of narrow pitch and short wavelength can also give rise to the increase of deterioration of the detected signal characteristics due to the microscopic roughness of disk surface. In this paper, in order to estimate the effect of surface roughness, we deal with the Finite Difference Time Domain (FDTD) method analysis of light beam scattering and detected signal characteristics of phase-change optical disk models with random rough surfaces.

• 2006-11-02

著者

• Kojima Toshitaka

  Graduate School Of Engineering Kansai University

• Kawai Takanori

  Graduate School Of Engineering Kansai University

関連論文

• FDTD Analysis of Light-Beam Scattering from a Blue Laser Optical Disk Model with Random Rough Surfaces(Optical recording & PMR media,The 8th Asian Symposium on Information Storage Technology (ASIST-8))
• FDTD Analysis of Light-Beam Scattering from a Blue Laser Optical Disk Model with Random Rough Surfaces

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