Fundamentals of Plasmonics.- Electromagnetics of Metals.- Surface Plasmon Polaritons at Metal / Insulator Interfaces.- Excitation of Surface Plasmon Polaritons at Planar Interfaces.- Imaging Surface Plasmon Polariton Propagation.- Localized Surface Plasmons.- Electromagnetic Surface Modes at Low Frequencies.- Applications.- Plasmon Waveguides.- Transmission of Radiation Through Apertures and Films.- Enhancement of Emissive Processes and Nonlinearities.- Spectroscopy and Sensing.- Metamaterials and Imaging with Surface Plasmon Polaritons.- Concluding Remarks.

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Plasmonics: Fundamentals and Applications

Indoor radio propagation channel

In this tutorial survey the principles of radio propagation in indoor environments are reviewed. The channel is modeled as a linear time-varying filter at each location in the three-dimensional space, and the properties of the filter's impulse response are described. Theoretical distributions of the sequences of arrival times, amplitudes and phases are presented. Other relevant concepts such as spatial and temporal variations of the channel, large-scale path losses, mean excess delay and RMS delay spread are explored. Propagation characteristics of the indoor and outdoor channels are compared and their major differences are outlined. Previous measurement and modeling efforts are surveyed, and areas for future research are suggested. >

The indoor radio propagation channel

This book [1] was written at an important point in the development of applications of electromagnetic (radio) waves to communications, navigation, and remote sensing. Such applications require accurate propagation predictions for a variety of path conditions, and this book provides the theoretical basis for such predictions. The book is based on fundamental research in electromagnetic wave propagation that James R. Wait performed in the Central Radio Propagation Laboratory (CRPL) of NBS from 1956 to 1962. The mathematical theory in the book is very general, and the “stratified media” models are applicable to the earth crust, the troposphere, and the ionosphere. The frequencies of the communication, navigation, and remote sensing applications treated in this book range all the way from extremely low frequencies (ELF) to microwaves. The mathematical theory of electromagnetic wave propagation is based on Maxwell’s equations [2], formulated by James Clerk Maxwell in the 1860s. Experimental propagation studies in free space [3] and over the earth [4] also go back over 100 years. Research in radio science, standards, and measurements began in NBS in the early 1900s, and the long history of radio in NBS has been thoroughly covered by Snyder and Bragaw [5]. CRPL was moved to Boulder in 1954, and Wait joined the organization in 1955. The mathematics of electromagnetic wave propagation in stratified (layered) media is very complicated, and progress in propagation theory in the early 1900s was fairly slow. Wait’s book [1] included the most useful theory (much of which he developed) and practical applications that were available in 1962. A hallmark

Electromagnetic Waves in Stratified Media

Metasurfaces: From microwaves to visible

A solution is given for the problem of a plane wave incident obliquely on a circular cylinder of infinite length. The electric properties of the cylinder are taken to be homogeneous and isotropic b...

Scattering of a plane wave from a circular dielectric cylinder at oblique incidence

This is an Engl ish t ranslat ion of t he Russian edit ion published by "Nauka", Moscow, 1973.  The  book closely resembles the w e l l received 1st Ed i t ion tha t was a lso publ ished i n t r a n s l a t i o n by  Academic Press i n 1960. The new problems t rea ted in th i s ed i t ion inc lude the case of a waveguide or duct where the proper t ies vary both i n t h e v e r t i c a l and t h e ho r i zon ta l  d i r ec t ion . The treatment,  however, is rather cursory and mode conversion i s not rea l ly cons idered beyond t h a t found i n t h e ea r ly  ( c i r ca 1965) adiabatic  approaches. The theory of surface waveguides and whispering ga l l e ry modes have also been added. But again the coverage of t h i s new ma te r i a l i s spot ty .  Unfor tuna te ly  the  exce l len t refe rence mater ia l on the underwater sound channel has been abbreviated in this new ed i t ion . In this review we should cal l a t t e n t i o n t o a number of o the r un fo r tuna te i f no t undes i r ab le f ea tu re s . Gauss i an un i t s fo r t he electromagnet ic port ions are used so t h a t comparisons with contemporary wave theory s t u d i e s are hampered.  The ma te r i a l is over 10 yea r s o ld in sp i t e o f t he e f fo r t s by Brekhovskikh t o i n c l u d e t h e latest papers when he submit ted the manuscript to the publ isher in 1971. The attempt by the t r ans l a to r t o upda te t h e book cons i s t s of a lengthy appendage of non-cited t i t les of papers mostly published in the Journal of the Acoust ical Society of America.  This  ra ther  biased  perspect ive added by t h e t r a n s l a t o r is i n c o n t r a s t t o t h e heal thy balance of acoust ic , e las t ic and electromagnet ic subjects t reated by Academician Brekhovskikh. As i n t h e 1960 ed i t i on , t he der iva t ions a re se l f -conta ined wi th a minimum of mathematical formalism. In s p i t e of t h e above comments, wave t h e o r i s t s will f i n d t h i s a use fu l add i t ion to the i r l ib rary , p rovided they a l ready do not own t h e 1960 ed i t i on . But i t i s a p i t y tha t pub l i she r s would not merely issue a supplement with addenda and corrigenda along with a modes t ly p r i ced r ep r in t ing o f t he i r f i r s t ed i t i on .

Waves in layered media, 2nd edition

Radio-wave transmission over the surface of the Earth is a subject of enquiry going back to the beginning of the century. In this review, an attempt is made to describe the ground-wave mechanism that is omni-present. We first call attention to the early analytical contributions of Zenneck and Sommerfeld, based on a flat-Earth model. The subsequent controversies, particularly with regard to the role of the Zenneck surface wave, are outlined. Further developments by other pioneers, such as van der Pol, Fock, Bremmer, Norton, and Millington, are reviewed, and an attempt is made to put these in a modern context. We also show that the trapped surface wave can be a significant contribution to the total ground-wave field, when the Earth boundary is sufficiently inductive. Mixed-path theory and confirming model tests by Ray King are described briefly, along with calculated propagation curves for twoand three-section paths. The bibliography includes references to related topics, such as tropospheric refraction and topographic influences.

The ancient and modern history of EM ground-wave propagation

A solution is given for the boundary value problem of a wave propagating along a thin wire parallel to the interface between two homogeneous half-spaces. A general modal equation is derived for the propagation constant of the transmission current on the wire. It is shown how this result reduces to earlier known solutions obtained under more restrictive conditions.

Theory of Wave Propagation Along a Thin Wire Parallel to An Interface

Electromagnetic wave propagation inside an empty rectangular mine tunnel with imperfect walls is considered. The modal expansion of the fields is complicated by the coupling of the basic modes by the imperfect walls. To avoid this difficulty, and in view of the large guide dimensions relative to the free space wavelength, a geometrical ray approach is proposed. To provide a theoretical foundation for the method, we first consider an idealized waveguide model with two perfectly reflecting side walls. The modal field expansion for this prototype model is fully analyzed to provide a satisfactory comparison between the modal and the geometrical ray sums. The proposed general ray method is then applied to the rectangular waveguide when all four walls are imperfectly conducting. Finally, the influence of wall roughness is considered by a relatively simple method.

James R. Wait

Papers

Scattering of a plane wave from a circular dielectric cylinder at oblique incidence

Waves in layered media, 2nd edition

The ancient and modern history of EM ground-wave propagation

Theory of Wave Propagation Along a Thin Wire Parallel to An Interface

Geometrical optical approach for electromagnetic wave propagation in rectangular mine tunnels