Dynamic, surface displacement measurements using a proximate, radiating electric dipole

Dynamic, surface displacement measurements using a proximate, radiating electric dipole

Expressions for the optical power radiated by a vertically oriented, electric dipole are developed to understand the dependence of this power on the distance between the dipole and a nearby surface, especially when this distance is varying with time. Results of this analysis assess the conditions un...

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Bibliographic Details
Main Author: James B. Spicer
Format: Article
Language:English
Published: AIP Publishing LLC 2020-01-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5115126
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spelling doaj-4ab329aee5bc4d81915a6872006a5e0a2020-11-24T23:21:03ZengAIP Publishing LLCAIP Advances2158-32262020-01-01101015114015114-510.1063/1.5115126Dynamic, surface displacement measurements using a proximate, radiating electric dipoleJames B. Spicer0Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218, USAExpressions for the optical power radiated by a vertically oriented, electric dipole are developed to understand the dependence of this power on the distance between the dipole and a nearby surface, especially when this distance is varying with time. Results of this analysis assess the conditions under which the power depends linearly on displacement amplitude when this distance has a sinusoidal, time-varying component of fixed amplitude combined with a mean dipole-to-surface distance. The variation in the radiated power with this mean distance is also examined so that comparisons can be made to experimental measurements of near-field optical signals.http://dx.doi.org/10.1063/1.5115126
collection DOAJ
language English
format Article
sources DOAJ
author James B. Spicer
spellingShingle James B. Spicer
Dynamic, surface displacement measurements using a proximate, radiating electric dipole
AIP Advances
author_facet James B. Spicer
author_sort James B. Spicer
title Dynamic, surface displacement measurements using a proximate, radiating electric dipole
title_short Dynamic, surface displacement measurements using a proximate, radiating electric dipole
title_full Dynamic, surface displacement measurements using a proximate, radiating electric dipole
title_fullStr Dynamic, surface displacement measurements using a proximate, radiating electric dipole
title_full_unstemmed Dynamic, surface displacement measurements using a proximate, radiating electric dipole
title_sort dynamic, surface displacement measurements using a proximate, radiating electric dipole
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2020-01-01
description Expressions for the optical power radiated by a vertically oriented, electric dipole are developed to understand the dependence of this power on the distance between the dipole and a nearby surface, especially when this distance is varying with time. Results of this analysis assess the conditions under which the power depends linearly on displacement amplitude when this distance has a sinusoidal, time-varying component of fixed amplitude combined with a mean dipole-to-surface distance. The variation in the radiated power with this mean distance is also examined so that comparisons can be made to experimental measurements of near-field optical signals.
url http://dx.doi.org/10.1063/1.5115126
work_keys_str_mv AT jamesbspicer dynamicsurfacedisplacementmeasurementsusingaproximateradiatingelectricdipole
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