Super-resolution near-field optical disk with a thermal shield layer behind recording layer

被引：0
|
作者：
Shi, L. P. [1 ]
Chong, T. C. [1 ]
Sze, J. Y. [1 ]
Li, J. M. [1 ]
Miao, X. S. [1 ]
Lim, W. H. [2 ]
Gan, C. L. [2 ]
机构：
[1] NUS, Data Storage Inst, DSI Bldg,5 Engn Dr 1 10 Kent Ridge Crescent, Singapore 117608, Singapore
[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
来源：
OPTICAL DATA STORAGE 2007 | 2007年 / 6620卷
关键词：
optical recording; optical disks; super-resolution near field;
D O I：
10.1117/12.738888
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Super-resolution near-field optical disk is one of the solutions to overcome diffraction limit and achieve high density optical recording. In this paper, a structure of super-resolution near-field phase-change optical disk with a thin thermal shield layer behind the recording layer is proposed. The optical disks with the new structure were studied theoretically and experimentally. Thermal simulation shows that the thermal shield layer can reduce the phase change layer temperature, thus improve the thermal stability of the disks. The disks with this structure were fabricated and characterized. The experiment results are in good agreement with the simulation results.
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页数：6
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