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Proceedings Paper

Plasmonic half-waveplate based on gold nanoslit and its application to ultrasmall radial polarization converter
Author(s): Miho Ishii; Kentaro Iwami; Norihiro Umeda
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Paper Abstract

We proposed and developed high aspect gold metasurface in order to improve the transmittance of plasmonic micro half-waveplate. Expected transmittance reaches 60% from the FDTD calculation. The metasurface is fabricated through electron beam litography (EBL) and lift-off process. Fabricated retarder was evaluated using polarization microscopy. Achieved retardation and transmittans were 144 degrees and from 25 to 40%, respectively. Four metasurface half-waveplates were arranged and applied to an ultrasmal radial polarization converter.

Paper Details

Date Published: 11 September 2013
PDF: 6 pages
Proc. SPIE 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI, 880922 (11 September 2013); doi: 10.1117/12.2024785
Show Author Affiliations
Miho Ishii, Tokyo Univ. of Agriculture and Technology (Japan)
Kentaro Iwami, Tokyo Univ. of Agriculture and Technology (Japan)
Norihiro Umeda, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 8809:
Plasmonics: Metallic Nanostructures and Their Optical Properties XI
Mark I. Stockman, Editor(s)

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