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Proceedings Paper

Near-field characterization of the optical properties in higher order plasmonic resonances
Author(s): Chen-Han Huang; Hsing-Ying Lin; Chih-Han Chang; Yun-Chiang Lan; Hsiang-Chen Chui
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Paper Abstract

Dipole and quadrupole surface plasmon polariton (LSPP) resonances of gold nanoparticle array were directly investigated by a near-field scanning optical microscope (NSOM) in the fiber-collection mode. Separated gold nanoparticles on the quartz substrate were fabricated by nanosphere lithography. Results demonstrate that controlling the incident polarization and angle of oblique incidence enables to excite dipolar and quadrupolar LSPP at 633- and 488-nm excitations. This observation facilitates the understanding of LSPP and interactions with nanostructures in the near field that can be used as a guideline for fabricating nanostructures in controlling spatial distributions of LSPP for ultra sensitive bio-/chemo-detectors or plasmonic metamaterials.

Paper Details

Date Published: 22 January 2010
PDF: 8 pages
Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 76081E (22 January 2010); doi: 10.1117/12.841619
Show Author Affiliations
Chen-Han Huang, National Cheng Kung Univ. (Taiwan)
Hsing-Ying Lin, National Cheng Kung Univ. (Taiwan)
Chih-Han Chang, National Cheng Kung Univ. (Taiwan)
Yun-Chiang Lan, National Cheng Kung Univ. (Taiwan)
Hsiang-Chen Chui, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7608:
Quantum Sensing and Nanophotonic Devices VII
Manijeh Razeghi; Rengarajan Sudharsanan; Gail J. Brown, Editor(s)

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