dorsal/arxiv
View SchemaFocusing of Light by a Nano-Hole Array
| Authors | Fu Min Huang, Yifang Chen, F. Javier Garcia de Abajo, Nikolay Zheludev |
|---|---|
| Categories | |
| ArXiv ID | physics/0611056 |
| URL | https://arxiv.org/abs/physics/0611056 |
| DOI | 10.1063/1.2710775 |
Abstract
We demonstrate a conceptually new mechanism for sub-wavelength focusing at optical frequencies based upon the use of nano-hole quasi-periodic arrays in metal screens. Using coherent illumination at 660 nm and scanning near-field optical microscopy, ~290 nm "hot spots", were observed at a distance of ~12.5 mkm from the array. Even smaller hot-spots of about 200 nm in waist were observed closer to the plane of the array.
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"abstract": "We demonstrate a conceptually new mechanism for sub-wavelength focusing at\noptical frequencies based upon the use of nano-hole quasi-periodic arrays in\nmetal screens. Using coherent illumination at 660 nm and scanning near-field\noptical microscopy, ~290 nm \"hot spots\", were observed at a distance of ~12.5\nmkm from the array. Even smaller hot-spots of about 200 nm in waist were\nobserved closer to the plane of the array.",
"arxiv_id": "physics/0611056",
"authors": [
"Fu Min Huang",
"Yifang Chen",
"F. Javier Garcia de Abajo",
"Nikolay Zheludev"
],
"categories": [
"physics.optics"
],
"doi": "10.1063/1.2710775",
"title": "Focusing of Light by a Nano-Hole Array",
"url": "https://arxiv.org/abs/physics/0611056"
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