Domain Copying and Expansion Phenomena of MAMMOS Media Using A Blue Laser and A High NA Objective Lens.
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- Imai Susumu
- Tsukuba Research Lab., Hitachi Maxell, Ltd.
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- Awano Hiroyuki
- Tsukuba Research Lab., Hitachi Maxell, Ltd.
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- Ohta Norio
- Tsukuba Research Lab., Hitachi Maxell, Ltd.
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- Iketani Naoyasu
- Optical Disk Systems Development Center, Sharp Corp.
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- Nakata Masahiro
- Hypermedia Research Center, Sanyo Electric Co., Ltd.
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- Nakagawa Katsuji
- College of Sci. and Tech., Nihon Univ.
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- Itoh Akiyoshi
- College of Sci. and Tech., Nihon Univ.
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The combination of Magnetic Amplifying Magneto-Optical System (MAMMOS) media, a blue laser and a high NA objective lens has been investigated using simulations and experiments. This paper describes the experimental and simulated results of domain copying phenomena for the MAMMOS media using a 413nm blue laser and an objective lens with a numerical aperture (NA) of 0.9. Without an external magnetic field, the readout laser was irradiated onto the MAMMOS media. Since the phenomena were related to Rear Aperture Detection phenomena, the signal amplitude simulation assumed temperature dependence of the Kerr rotation, the aperture thermal properties and the Gaussian laser beam profile. This paper also presents the analysis of expansive and shrinking forces per unit wall area concerning the MAMMOS readout using the blue laser and the high NA objective lens.
収録刊行物
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- 日本応用磁気学会誌
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日本応用磁気学会誌 25 (3-2), 359-362, 2001
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390282680069695232
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- NII論文ID
- 110002810956
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
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- NDL書誌ID
- 5739475
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
