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	孔径型超分辨近场结构光盘的掩膜热效应分析
	沈全洪 ; 徐端颐 ; 齐国生 ; 胡恒 ; 刘嵘 ; Shen Quan_Hong ; Xu Duan_Yi ; Qi Guo_Sheng ; Hu Heng ; Liu Rong
	2010-06-08 ; 2010-06-08
关键词	光存储 孔径型 超分辨近场结构 光热效应 optical storage, transmitted aperture, super resolution near-field structure (Super-RENS), laser-induced thermal effect TQ591
其他题名	Laser-induced thermal analysis for mask layer of transmitted-aperture type super-RENS in optical storage
中文摘要	基于高斯聚焦激光束热效应的超分辨近场结构光盘存储(孔径型Super_RENS)中,应用光学特性导纳矩阵建立的盘片光传导模型,采用有限元分析软件FEMLAB对不同激光功率和脉宽下的Sb掩膜层的孔径形成情况进行数值仿真.结果表明,当一定脉宽的激光功率超过介质的阈值时,掩膜层将有超分辨孔径形成,且孔径大小随功率的增大而增大.理论分析与孔径型Super_RENS光盘样片在不同激光功率下进行写入的实验结果相符,说明光热效应可以较好地描述孔径型Super_RENS光盘掩膜层孔径形成的过程.; The forming of transmitted_aperture in Sb layer of Super_RENS was studied based on laser_induced thermal model with Gauss assumption. The optical transmit model was created with optical admittance characteristic matrix. A numerical simulation was carried out by FEMLAB to understand the forming process of the aperture. The simulation results showed that transmitted aperture would not be formed until the exposure power exceeded a threshold within a certain pulse time, further more, the aperture size would be increased if the power was raised. The static writing experiment for transmitted_aperture type Super_RENS was carried out. The experiment results well agree with the simulation. It is concluded that a laser-induced thermal model could well describe the forming of aperture in Sb layer of transmitted-aperture type Super-RENS in optical data storage.; 国家重点基础研究发展规划(批准号:G19990330)资助的课题.~~
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/49512]
专题	清华大学
推荐引用方式 GB/T 7714	沈全洪,徐端颐,齐国生,等. 孔径型超分辨近场结构光盘的掩膜热效应分析[J],2010, 2010.
APA	沈全洪.,徐端颐.,齐国生.,胡恒.,刘嵘.,...&Liu Rong.(2010).孔径型超分辨近场结构光盘的掩膜热效应分析..
MLA	沈全洪,et al."孔径型超分辨近场结构光盘的掩膜热效应分析".(2010).

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