A high numerical aperture solid immersion lens magneto-optical recording system

被引：3
|
作者：
Chekanov, A [1 ]
Birukawa, M [1 ]
Itoh, Y [1 ]
Suzuki, T [1 ]
机构：
[1] Toyota Technol Inst, Tempa Ku, Nagoya, Aichi 4688511, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1999年 / 35卷 / 05期
关键词：
magneto-optical recording; near field; solid immersion lens; numerical aperture; CNR;
D O I：
10.1109/20.801097
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high numerical aperture Solid Immersion lens (SIL MO) magneto-optical recording system based on supersphere SIL approach is described. Effects of SIL on the recording performance of the magneto optical system are analyzed, It is found that effective numerical aperture as high as 1.46 can be achieved using a contact SIL operation mode and evanescent coupling optimized TbFeCo recording media. A novel quadrilayer media design with CNR value of 50 dB is proposed.
引用
收藏
页码：3100 / 3105
页数：6
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