Super-oscillatory optical needle

被引：149

作者：

Rogers, Edward T. F. ^{[1
,2
]}

Savo, Salvatore ^{[1
,2
]}

Lindberg, Jari ^{[3
]}

Roy, Tapashree ^{[1
,2
]}

Dennis, Mark R. ^{[3
]}

Zheludev, Nikolay I. ^{[1
,2
,4
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Univ Southampton, Ctr Photon Metamat, Southampton SO17 1BJ, Hants, England

[3] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[4] Nanyang Technol Univ, Ctr Disrupt Photon Technol, Singapore 639798, Singapore

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

EVANESCENT WAVES; POLARIZED-LIGHT; NEAR-FIELD; ARRAY; SUPERRESOLUTION; APERTURE;

D O I：

10.1063/1.4774385

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Super-oscillatory optical lenses have recently been shown to achieve subwavelength focusing and have been used for super-resolution imaging. However, the subwavelength hotspots created by these lenses are always accompanied by sidebands containing a significant fraction of the optical energy and are highly localised in the axial direction. Here, we report a class of super-oscillatory lenses that form extended subwavelength optical needles on a 15 lambda field of view. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4774385]

引用

页数：4

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