Light Well: A Tunable Free-Electron Light Source on a Chip

被引：162

作者：

Adamo, G. ^{[1
]}

MacDonald, K. F. ^{[1
]}

Fu, Y. H. ^{[2
]}

Wang, C-M. ^{[2
]}

Tsai, D. P. ^{[2
]}

Garcia de Abajo, F. J. ^{[3
]}

Zheludev, N. I. ^{[1
]}

机构：

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

[2] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[3] CSIC, Inst Opt, E-28006 Madrid, Spain

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 11期

基金：

英国工程与自然科学研究理事会;

关键词：

EMISSION; CATHODOLUMINESCENCE; GENERATION; RESOLUTION;

D O I：

10.1103/PhysRevLett.103.113901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The passage of a free-electron beam through a nanohole in a periodically layered metal-dielectric structure creates a new type of tunable, nanoscale radiation source-a "light well". In the reported demonstration, tunable light is generated at an intensity of similar to 200 W/cm(2) as electrons with energies in the 20-40 keV range are injected into gold-silica well structures with a lateral size of just a few hundred nanometers.

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页数：4

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