Simulation and study of the heat effect on near-field optical disk

• Main Authors: Wan Hung Fu, 萬洪甫
• Other Authors: Wei-Chih Liu
• Format: Others
• Language: zh-TW
• Published: 2007
• Online Access: http://ndltd.ncl.edu.tw/handle/81093595430084618455

碩士 === 國立臺灣師範大學 === 光電科技研究所 === 95 === The main purpose of this thesis is to study of optics-thermal interaction of near-field optical disks. First, we use the finite difference method to simulate the laser-induced local heating of optical disks, and use the electromagnetic wave theory to calculate the average rate of flow of optical energy through a plane perpendicular to the Z axis. To study of rewriteable disks, we use nucleation and growth theory to simulate mark formation and erasure in phase change recording disk. Finally, we combine the theory of Fourier optics and thermal conduction models to analysis optics-thermal interaction of near-field disks, by changing the laser pulse to write different mark sizes, we can analysis the influence of random nanostructures for the resolution capability of mark size beyond diffraction limit. For our simulation results, the convergence test is used to verify the results of our simulation.