Nanohole array as a lens
Nanohole array as a lens
We demonstrate for the first time that an array of nanoholes on a metal screen can perform the following functions of a lens: i) it converts a plane waves into a hot spot at the other side of the array; ii) it converts a point source at some distances from the array into a focal spot at the other side of the array. Within a finite view field, when the point source moves, the hot spot moves accordingly performing a one-to-one imaging function. Imaging properties under both coherent and incoherent illumination are discussed confirming that the array can be used as a lensless imaging device.
Huang, Fu Min
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Fedotov, Vassili
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Kao, Tsung Sheng
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Chen, Yifang
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Zheludev, Nikolay
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August 2008
Huang, Fu Min
1e6fc160-8f6c-48f9-ad58-b993047b5a30
Fedotov, Vassili
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Kao, Tsung Sheng
e7777107-c572-4833-af5b-112d7981856e
Chen, Yifang
fb868aa4-ecb4-4203-a0a8-88c2195a2bae
Zheludev, Nikolay
32fb6af7-97e4-4d11-bca6-805745e40cc6
Huang, Fu Min, Fedotov, Vassili, Kao, Tsung Sheng, Chen, Yifang and Zheludev, Nikolay
(2008)
Nanohole array as a lens.
Photon 08, Edinburgh, United Kingdom.
26 - 29 Aug 2008.
Record type:
Conference or Workshop Item
(Paper)
Abstract
We demonstrate for the first time that an array of nanoholes on a metal screen can perform the following functions of a lens: i) it converts a plane waves into a hot spot at the other side of the array; ii) it converts a point source at some distances from the array into a focal spot at the other side of the array. Within a finite view field, when the point source moves, the hot spot moves accordingly performing a one-to-one imaging function. Imaging properties under both coherent and incoherent illumination are discussed confirming that the array can be used as a lensless imaging device.
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More information
Published date: August 2008
Venue - Dates:
Photon 08, Edinburgh, United Kingdom, 2008-08-26 - 2008-08-29
Identifiers
Local EPrints ID: 63388
URI: http://eprints.soton.ac.uk/id/eprint/63388
PURE UUID: bc5e16d1-12f0-4ae9-9dee-9f805b5d7453
Catalogue record
Date deposited: 21 Oct 2008
Last modified: 06 Mar 2024 02:34
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Contributors
Author:
Fu Min Huang
Author:
Vassili Fedotov
Author:
Tsung Sheng Kao
Author:
Yifang Chen
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