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Light-Matter InteractionPhysics and Engineering at the Nanoscale, Second Edition$
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John Weiner and Frederico Nunes

Print publication date: 2017

Print ISBN-13: 9780198796664

Published to Oxford Scholarship Online: March 2017

DOI: 10.1093/acprof:oso/9780198796664.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use.date: 25 January 2022

Surface Waves

Surface Waves

(p.115) 7 Surface Waves
Light-Matter Interaction

John Weiner

Frederico Nunes

Oxford University Press

Chapter 7 is devoted to an extensive discussion of waves at the interface between dielectrics and metals. The chapter begins with some history of surface waves as a possible explanation for over-horizon radio wave transmission. The source of these waves is the periodic surface charge density modulation created by an electro-magnetic field disturbance at the interface. The periodic charge modulation can produce propagating or standing surface waves, depending on the nature of the initial disturbance. Surface waves at the interface between dielectrics and metals play an important role in ‘plasmonic’ structures and devices. Engineering analysis in the microwave regime lays the groundwork for the subsequent chapter on transmission lines and waveguides in the optical regime. The transverse magnetic (TM) and transverse electric (TE) modes (as distinct from polarisation) in waveguides are introduced and their properties elaborated.

Keywords:   surface waves, interface, waveguide, transmission line, plasmonic, TM mode, TE mode

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