Investigation on Super-Resolution Near-Field Blu-Ray-Type Phase-Change Optical Disk with Sb2Te3 Mask Layer
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概要
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Super-resolution near-field phase-change Blu-ray-type optical disks with a mask layer of Sb2Te3 were studied theoretically and experimentally with a laser wavelength of 405 nm and a numerical aperture (NA) of 0.85. The modulation transfer function (MTF) was calculated and the thermal performance was simulated by the finite element method. Super-resolution near-field phase-change Blu-ray-type optical disks with different structures were fabricated and measured. It was shown that the thermal shield layer was helpful in reducing recorded mark size and improving readout stability. Recorded marks as small as 16 nm were observed. The relevant mechanism was discussed.
- 2005-05-15
著者
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LI Jianming
Data Storage Institute
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TAN Pik
Data Storage Institute
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Shi Luping
Data Storage Institute
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CHONG Tong
Data Storage Institute
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HU Xiang
Data Storage Institute
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MIAO Xiangshui
Data Storage Institute
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WANG Qingfang
Data Storage Institute
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Chong Tong
Data Storage Institute, DSI Building, 5 Engineering Drive 1, Singapore 117608
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Hu Xiang
Data Storage Institute, DSI Building, 5 Engineering Drive 1, Singapore 117608
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Miao Xiangshui
Data Storage Institute, DSI Building, 5 Engineering Drive 1, Singapore 117608
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Tan Pik
Data Storage Institute, DSI Building, 5 Engineering Drive 1, Singapore 117608
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