High-performance readout and recording by a combination aperture

被引:8
作者
Tang, SG [1 ]
Milster, TD [1 ]
Erwin, JK [1 ]
Bletscher, WL [1 ]
机构
[1] Univ Arizona, Ctr Opt Sci, Opt Data Storage Ctr, Tucson, AZ 85721 USA
关键词
Argon - Charge coupled devices - Lenses - Optical data storage;
D O I
10.1364/OL.26.001987
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A solid immersion lens combined with a conical dielectric tip exhibits good resolution and efficiency in reading and recording data marks on optical storage media. We demonstrate a combination aperture that produces similar to 200-nm full-width 1/e(2) spot size and achieves 50% optical efficiency in an edge-scan experiment. A comparison of recording with the combination aperture, with an unmodified solid immersion lens, and with a far-field system is made. (C) 2001 Optical Society of America.
引用
收藏
页码:1987 / 1989
页数:3
相关论文
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