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Title :熱アシスト磁気記録用金属薄膜から放射される近接場光の3次元FD-TD解析
Title alternative :3-D FD-TD analysis of an optical near-field emitted by a metallic thin-film for thermally assisted magnetic recording
Authors :貝瀬, 達哉
金井, 靖
丹下, 裕
大谷, 忠生
Publisher :新潟工科大学
Issue Date :Dec-2009
Journal Title :新潟工科大学研究紀要
Volume :14
Start Page :23
End Page :30
ISSN :1342-792X
Abstract :Thermally-assisted magnetic recording is one of the possible candidates that achieve the areal densities of 1 terabit/inch2. In the scheme, the recording layer is heated by the external, optical energy. The signal is recorded when the coercive force of recording layer is reduced, therefore, relatively small magnetic field is necessary to switch the medium. In this report, the optical near fields from the metallic, thin film have been obtained for various structures with and without the aperture by using the three-dimensional finite-difference time-domain (FD-TD) method.
Keywords :Thermally-assisted magnetic recording
Optical near-filed
Metallic thin film
3-D FD-TD analysis
Type Local :Departmental Bulletin Paper
Language :jpn
URI :http://hdl.handle.net/10623/20328
Appears in Collections:01 新潟工科大学研究紀要 = Bulletin of Niigata Institute of Technology

Please use this identifier to cite or link to this item: http://hdl.handle.net/10623/20328

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