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Observation of near-field coupling in metal nanoparticle chains using far-field polarization spectroscopy

Maier, Stefan A. and Brongersma, Mark L. and Kik, Pieter G. and Atwater, Harry A. (2002) Observation of near-field coupling in metal nanoparticle chains using far-field polarization spectroscopy. Physical Review B, 65 (19). Art. No. 193408. ISSN 0163-1829. doi:10.1103/PhysRevB.65.193408.

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Far-field polarization spectroscopy on chains of Au nanoparticles reveals the existence of longitudinal (L) and transverse (T) plasmon-polariton modes. The experimental results provide support for the validity of a recently published dipole model for electromagnetic energy transfer below the diffraction limit along chains of closely spaced metal nanoparticles. The key parameters that govern the energy transport are determined for various interparticle spacings using measurements of the resonance frequencies of L and T modes, yielding a bandwidth of 1.4×10^14 rad/s and a maximum group velocity of vg=4.0×10^6 m/s for a 75 nm-spacing.

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Maier, Stefan A.0000-0002-2210-6290
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2002 The American Physical Society Received 12 March 2002; published 13 May 2002 We would like to thank Richard Muller and Paul Maker of the Jet Propulsion Laboratory in Pasadena for expert technical assistance. This work was sponsored by the Center for Science and Engineering of Materials at Caltech and the National Science Foundation Award ECS0103543.
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Issue or Number:19
Record Number:CaltechAUTHORS:MAIprb02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2449
Deposited By: Archive Administrator
Deposited On:04 Apr 2006
Last Modified:08 Nov 2021 19:48

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