Double-corrugated C-shaped aperture for near-field recording

被引：7
|
作者：
Chen, YC [1 ]
Fang, JY
Tien, CH
Shieh, HPD
机构：
[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan
[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 30010, Taiwan
[3] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan
[4] Natl Chiao Tung Univ, Display Inst, Hsinchu 30010, Taiwan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2006年 / 45卷 / 2B期
关键词：
C-aperture; surface corrugation; propagation mode; surface plasmon; coupling effect; focusing grating;
D O I：
10.1143/JJAP.45.1348
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We applied surface corrugations surrounding the C-aperture on both incident and exit interfaces of the metal film, which can generate surface plasmon (SP) waves coupling to the propagation mode and function as a focusing grating, respectively. Compared with a 60 nm square aperture, the double-corrugated C-aperture can enhance power throughput by five orders of magnitude and reduce spot area by 30%.
引用
收藏
页码：1348 / 1350
页数：3
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