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Proceedings Paper

Three-dimensional light manipulation by plasmonic nanostructure
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Paper Abstract

Nanobump structures are fabricated on the gold thin film by femtosecond laser direct writing (fs-LDW) technique. The height and diameter of the gold nanobump are about 30nm, and 400 nm, respectively. The scattering light of surface plasmon wave radiated from a nanobump is observed using a total internal reflection microscopy. A quarter-circle structure composed of nanobumps is designed and produced to manipulate scattering light into specific pattern: The focusing and diverging of the quarter circular structure in three dimensional space are demonstrated. The polarization properties of focusing spot are also examined.

Paper Details

Date Published: 9 October 2012
PDF: 6 pages
Proc. SPIE 8457, Plasmonics: Metallic Nanostructures and Their Optical Properties X, 84572P (9 October 2012); doi: 10.1117/12.930330
Show Author Affiliations
Chia Ming Chang, National Taiwan Univ. (Taiwan)
Hung-Kuei Tsai, National Taiwan Univ. (Taiwan)
National Taiwan Normal Univ. (Taiwan)
Ming Lun Tseng, National Taiwan Univ. (Taiwan)
Bo Han Chen, National Taiwan Univ. (Taiwan)
Cheng Hung Chu, National Taiwan Univ. (Taiwan)
Hsin Wei Huang, National Taiwan Univ. (Taiwan)
Ding-Wei Huang, National Taiwan Univ. (Taiwan)
Chien-Jang Wu, National Taiwan Normal Univ. (Taiwan)
Din Ping Tsai, National Taiwan Univ. (Taiwan)
Academia Sinica (Taiwan)

Published in SPIE Proceedings Vol. 8457:
Plasmonics: Metallic Nanostructures and Their Optical Properties X
Mark I. Stockman, Editor(s)

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