Paper
1 July 2015 Polarization-sensitive plasmonic hot spot tuning with nanoslit arrays
Seung-Yeol Lee, Kyuho Kim, Sun-Je Kim, Byoungho Lee
Author Affiliations +
Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96551R (2015) https://doi.org/10.1117/12.2183666
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
Abstract
Using the nanostructures supported by surface plasmon polaritons (SPPs) has been a great issue in optical sensing applications. Especially, a focused spot of SPPs, which is often called a near-field hot spot, has been numerously researched due to its high compactness beyond the diffraction limit and strong field enhancement applicable to nanoparticle sensing and tweezing. In this presentation, a novel design method for arbitrary tuning of the location of near-field hot spot controlled by the polarization of incident light is proposed. The array of nanoslit with spatially different tilted angle distribution is used for polarization-sensitive phase profile of excited SPPs.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seung-Yeol Lee, Kyuho Kim, Sun-Je Kim, and Byoungho Lee "Polarization-sensitive plasmonic hot spot tuning with nanoslit arrays", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96551R (1 July 2015); https://doi.org/10.1117/12.2183666
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KEYWORDS
Plasmonics

Spiral phase plates

Polarization

Near field

Optical sensing

Phase shift keying

Sensors

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