Near-field recording head with simple tracking design

被引：3
|
作者：
Huang, DR [1 ]
Chao, ZW [1 ]
Wu, GZ [1 ]
Lean, EG [1 ]
机构：
[1] Ind Technol Res Inst, Optoelect & Syst Labs, Hsinchu 310, Taiwan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1999年 / 38卷 / 3B期
关键词：
optical data storage; optical pick-up head; near-field optics; solid-immersion lens; push-pull tracking;
D O I：
10.1143/JJAP.38.1774
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A two-zone solid-immersion lens is proposed for use in near-field recording. Two spots are generated. One illuminates the lower Bat plane of the disk for reading/writing and the other illuminates the upper pregrooved plane of the disk for push-pull tracking.
引用
收藏
页码：1774 / 1776
页数：3
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