Measuring the wavelength-dependent divergence of transmission through sub-wavelength hole-arrays by spectral imaging

M. W. Docter; I. T. Young; O. M. Piciu; A. Bossche; P. F.A. Alkemade; P. M. Van Den Berg; Y. Garini

doi:10.1364/OE.14.009477

Measuring the wavelength-dependent divergence of transmission through sub-wavelength hole-arrays by spectral imaging

M. W. Docter, I. T. Young, O. M. Piciu, A. Bossche, P. F.A. Alkemade, P. M. Van Den Berg, Y. Garini

Department of Physics - at Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We present a study on the far-field patterns of light transmitted through sub-wavelength metallic hole-arrays. Spectral imaging measurements are used here on hole arrays for the first time. It provides both spatial and spectral information of the transmission in far-field. The visibility of the images, measured in two illumination modes: Köhler and collimated, is calculated for different planes in and out of focus. The transmission under collimated illumination reveals that 75% of the beam if non-divergent. The results are in agreement with the low divergence measured by Lezec [Science 297, 820 (2002)].

Original language	English
Pages (from-to)	9477-9482
Number of pages	6
Journal	Optics Express
Volume	14
Issue number	20
DOIs	https://doi.org/10.1364/OE.14.009477
State	Published - Oct 2006

Bibliographical note

Funding Information:
Financial support of the National Cancer Institute of Canada, the Medical Research Council of Canada, and the Ontario Cancer Treatment and Research Foundation is appreciated

Funding

Financial support of the National Cancer Institute of Canada, the Medical Research Council of Canada, and the Ontario Cancer Treatment and Research Foundation is appreciated

Funders	Funder number
National Cancer Institute of Canada
Ontario Cancer Treatment and Research Foundation
Medical Research Council Canada

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10.1364/OE.14.009477

Cite this

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title = "Measuring the wavelength-dependent divergence of transmission through sub-wavelength hole-arrays by spectral imaging",

abstract = "We present a study on the far-field patterns of light transmitted through sub-wavelength metallic hole-arrays. Spectral imaging measurements are used here on hole arrays for the first time. It provides both spatial and spectral information of the transmission in far-field. The visibility of the images, measured in two illumination modes: K{\"o}hler and collimated, is calculated for different planes in and out of focus. The transmission under collimated illumination reveals that 75% of the beam if non-divergent. The results are in agreement with the low divergence measured by Lezec [Science 297, 820 (2002)].",

author = "Docter, {M. W.} and Young, {I. T.} and Piciu, {O. M.} and A. Bossche and Alkemade, {P. F.A.} and {Van Den Berg}, {P. M.} and Y. Garini",

note = "Funding Information: Financial support of the National Cancer Institute of Canada, the Medical Research Council of Canada, and the Ontario Cancer Treatment and Research Foundation is appreciated",

year = "2006",

month = oct,

doi = "10.1364/OE.14.009477",

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AU - Docter, M. W.

AU - Young, I. T.

AU - Piciu, O. M.

AU - Bossche, A.

AU - Alkemade, P. F.A.

AU - Van Den Berg, P. M.

AU - Garini, Y.

N1 - Funding Information: Financial support of the National Cancer Institute of Canada, the Medical Research Council of Canada, and the Ontario Cancer Treatment and Research Foundation is appreciated

PY - 2006/10

Y1 - 2006/10

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AB - We present a study on the far-field patterns of light transmitted through sub-wavelength metallic hole-arrays. Spectral imaging measurements are used here on hole arrays for the first time. It provides both spatial and spectral information of the transmission in far-field. The visibility of the images, measured in two illumination modes: Köhler and collimated, is calculated for different planes in and out of focus. The transmission under collimated illumination reveals that 75% of the beam if non-divergent. The results are in agreement with the low divergence measured by Lezec [Science 297, 820 (2002)].

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Measuring the wavelength-dependent divergence of transmission through sub-wavelength hole-arrays by spectral imaging

Abstract

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