High-Density Near-Field Readout Using Solid Immersion Lens Made of KTaO3 Monocrystal
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概要
- 論文の詳細を見る
We developed solid immersion lenses made of a KTaO3 monocrystal. The refractive index of KTaO3 is 2.382 at a wavelength of 405 nm. Using KTaO3 as the raw material of a solid immersion lens, we could design an effective numerical aperture of 2.20. We observed an eye pattern of a 150 GB capacity with a 130 nm track pitch and a 47.6 nm bit length. The areal density is 104.3 Gbit/in.2.
- 2006-02-15
著者
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SHINODA Masataka
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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SAITO Kimihiro
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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KONDO Takao
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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NAKAOKI Ariyoshi
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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FURUKI Motohiro
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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TAKEDA Minoru
Home Electronics Development Group, Home Electronics Network Company, Sony Corporation
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Fujiura Kazuo
Ntt Photonics Laboratories Ntt Corporation
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Sasaura Masahiro
Ntt Photonics Laboratories Ntt Corporation
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Shinoda Masataka
Home Electronics Network Company, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Nakaoki Ariyoshi
Home Electronics Network Company, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Saito Kimihiro
Home Electronics Network Company, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Kondo Takao
Home Electronics Network Company, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Takeda Minoru
Home Electronics Network Company, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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