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Title: Dispersion relation of a surface wave at a rough metal-air interface

Journal Article · · Physical Review A
 [1];  [2]
  1. Budker Institute of Nuclear Physics SB RAS, Novosibirsk (Russia); Novosibirsk State Univ., Novosibirsk (Russia)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)

Here, we derived a dispersion relation of a surface wave at a rough metal-air interface. In contrast to previous publications, we assumed that an intrinsic surface impedance due to a finite electric conductivity of the metal can be of the same order as the roughness-induced impedance. We then applied our results to the analysis of a long-standing problem of the discrepancy between the experimental data on the propagation of surface waves in the terahertz range of frequencies and the classical Drude theory.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515; AC03-76SF00515
OSTI ID:
1358606
Alternate ID(s):
OSTI ID: 1333601
Journal Information:
Physical Review A, Vol. 94, Issue 5; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

References (12)

Reflection of electromagnetic waves from slightly rough surfaces journal August 1951
Free electron lasers with electron storage rings journal October 1991
Surface plasmon polaritons launched using a terahertz free-electron laser: propagation along a gold–ZnS–air interface and decoupling to free waves at the surface edge journal January 2013
Optical properties of the metals Al, Co, Cu, Au, Fe, Pb, Ni, Pd, Pt, Ag, Ti, and W in the infrared and far infrared journal January 1983
Electromagnetic surface waves on a conducting cylinder journal June 2015
Non-Drude like behaviour of metals in the terahertz spectral range journal March 2016
A critical survey of approximate scattering wave theories from random rough surfaces journal October 2004
Attenuation of surface polaritons by surface roughness journal November 1975
Novosibirsk terahertz free electron laser: instrumentation development and experimental achievements journal March 2010
Growth of terahertz surface plasmon propagation length due to thin-layer dielectric coating journal January 2016
Surface Plasmons on Smooth and Rough Surfaces and on Gratings book January 1988
A way to determine the permittivity of metallized surfaces at terahertz frequencies journal April 2011

Cited By (1)

Propagation of terahertz surface plasmon polaritons around a convex metal–dielectric interface journal January 2019

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