High-Density Near-Field Readout over 50 GB Capacity Using Solid Immersion Lens with High Refractive Index
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概要
- 論文の詳細を見る
We have investigated high-density near-field readout using a solid immersion lens with a high refractive index. By using a glass material with a high refractive index of 2.08, we developed an optical pick-up with the effective numerical aperture of 1.8. We could observe a clear eye pattern for a 50 GB capacity disc in 120 mm diameter. We confirmed that the near-field readout system is promising method of realizing a high-density optical disc system.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2003-02-15
著者
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Kondo Takao
Optical Disc Development Division Av/it Development Group Sony Corporation
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Saito Kimihiro
Optical Disc Development Division Av/it Development Group Sony Corporation
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Ishimoto Tsutomu
Optical Disc Development Division Av/it Development Group Sony Corporation
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Nakaoki Ariyoshi
Optical Disc Development Division Av/it Development Group Sony Corporation
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Shinoda Masataka
Optical Disc Development Division Av/it Development Group Sony Corporation
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Shinoda Masataka
Optical Disc Development Division, AV/IT Development Group, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Saito Kimihiro
Optical Disc Development Division, AV/IT Development Group, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Ishimoto Tsutomu
Optical Disc Development Division, AV/IT Development Group, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Kondo Takao
Optical Disc Development Division, AV/IT Development Group, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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