Double-grating-structured light microscopy using plasmonic nanoparticle arrays

S. Liu; Chin Jung Chuang; C. W. See; G. Zoriniants; W. L. Barnes; Michael Geoffrey Somekh

doi:10.1364/OL.34.001255

Double-grating-structured light microscopy using plasmonic nanoparticle arrays

S. Liu, Chin Jung Chuang, C. W. See, G. Zoriniants, W. L. Barnes, Michael Geoffrey Somekh

Research output: Journal article publication › Journal article › Academic research › peer-review

12 Citations (Scopus)

Abstract

Structured illumination increases the spatial bandwidth of optical microscopes. We demonstrate bandwidth extension using a physical grating placed close to the sample. This comprises an array of elongated nano- particles, whose localized surface plasmon resonance is polarization dependent. By arranging the particle orientation to vary with position the grating can be moved by changing the input polarization. A projected optical grating provides an additional independent mechanism for bandwidth extension. Experimental results showing bandwidth improvement in one direction are presented, and the measures necessary to extend the technique for routine imaging are discussed.

Original language	English
Pages (from-to)	1255-1257
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	8
DOIs	https://doi.org/10.1364/OL.34.001255
Publication status	Published - 15 Apr 2009
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.34.001255

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AU - See, C. W.

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AU - Barnes, W. L.

AU - Somekh, Michael Geoffrey

PY - 2009/4/15

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AB - Structured illumination increases the spatial bandwidth of optical microscopes. We demonstrate bandwidth extension using a physical grating placed close to the sample. This comprises an array of elongated nano- particles, whose localized surface plasmon resonance is polarization dependent. By arranging the particle orientation to vary with position the grating can be moved by changing the input polarization. A projected optical grating provides an additional independent mechanism for bandwidth extension. Experimental results showing bandwidth improvement in one direction are presented, and the measures necessary to extend the technique for routine imaging are discussed.

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Double-grating-structured light microscopy using plasmonic nanoparticle arrays

Abstract

ASJC Scopus subject areas

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