Plasmonic half-waveplate based on gold nanoslit and its application to ultrasmall radial polarization converter

Miho Ishii; Kentaro Iwami; Norihiro Umeda

doi:10.1117/12.2024785

11 September 2013 Plasmonic half-waveplate based on gold nanoslit and its application to ultrasmall radial polarization converter

Miho Ishii, Kentaro Iwami, Norihiro Umeda

Author Affiliations +

Proceedings Volume 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI; 880922 (2013) https://doi.org/10.1117/12.2024785
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

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.

Citation Download Citation

Miho Ishii, Kentaro Iwami, and Norihiro Umeda "Plasmonic half-waveplate based on gold nanoslit and its application to ultrasmall radial polarization converter", Proc. SPIE 8809, Plasmonics: Metallic Nanostructures and Their Optical Properties XI, 880922 (11 September 2013); https://doi.org/10.1117/12.2024785

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