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Dissertation/Thesis Abstract

Polarization control of plasmonic modes in single nanoparticles and nanostructures
by Damato, Ralph, M.S., California State University, Long Beach, 2013, 70; 1527542
Abstract (Summary)

This thesis investigates the fundamental nanoscale near-field light matter interaction between a probe tip and plasmonic antenna nanostructures. The thesis is focused on polarization control of metallic plasmon modes using scattering-type scanning near-field optical microscopy (s-SNOM). Part of the thesis is dedicated to spectroscopic near-field comparison of coated and bare single plasmonic particles in the infrared wavelength range (λ= 9–11 µm) using s-SNOM. By tuning the wavelength of the incident light, we have acquired information on the spectral polarization dependence plasmon modes and plasmon/phonon–polariton resonant near-field interactions. The enhanced near-field coupling between the probe tip and high index Au nanostructures and Au-core thin silica coating (thickness ≈10 nm) is described and quantified.

Indexing (document details)
Advisor: Abate, Yohannes
Commitee: Bill, Andreas, Shon, Young-Seok
School: California State University, Long Beach
Department: Physics and Astronomy
School Location: United States -- California
Source: MAI 52/05M(E), Masters Abstracts International
Subjects: Condensed matter physics, Optics
Keywords: Nano-optics, Near-field, Phonon, Plasma
Publication Number: 1527542
ISBN: 978-1-303-79581-7
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