Observation of Amorphous Recording Marks Using Reflection-Mode Near-Field Scanning Optical Microscope Supported by Optical Interference Method
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概要
- 論文の詳細を見る
A signal enhancing technique for a reflection-mode near-field scanning optical microscope (NSOM) is proposed. Optical interference between the signal light, from an aperture at the tip of a tapered optical fiber, and the reflected light, from a metallic coating around the aperture, enhances the signal intensity. We used a rewritable high-definition digital versatile disc (HD DVD) with dual recording layers as a sample medium, and demonstrated observation of amorphous recording marks on the semitransparent (the first) recording layer. In spite of low optical contrast between the crystal region and the amorphous region on this layer, we successfully observed recording marks with good contrast.
- 2005-09-15
著者
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Sakai Masaru
Near-field Optics Group Kanagawa Academy Of Science And Technology (kast)
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Mononobe Shuji
Near-field Optics Group Kanagawa Academy Of Science And Technology (kast)
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Yusu Keiichiro
Corporate Research And Development Center Toshiba Corporation
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Saiki Toshiharu
Near-field Optics Group Kanagawa Academy Of Science And Technology
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TADOKORO Toshiyasu
Techno Synergy Inc.
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Sakai Masaru
Near-Field Optics Group, Kanagawa Academy of Science and Technology (KAST), KSP East-408, 3-2-1 Sakado, Takatsu-ku, Kawasaki 213-0012, Japan
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Saiki Toshiharu
Near-Field Optics Group, Kanagawa Academy of Science and Technology (KAST), KSP East-408, 3-2-1 Sakado, Takatsu-ku, Kawasaki 213-0012, Japan
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Tadokoro Toshiyasu
Techno-Synergy, Inc., 2-46-16 Sanda-cho, Hachioji, Tokyo 193-0832, Japan
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Mononobe Shuji
Near-Field Optics Group, Kanagawa Academy of Science and Technology (KAST), KSP East-408, 3-2-1 Sakado, Takatsu-ku, Kawasaki 213-0012, Japan
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Yusu Keiichiro
Corporate Research & Development Center, Toshiba Corp., 1 Komukai-Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan
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Yusu Keiichiro
Corporate Research and Development Center, Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan
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