Discrete dipole approximation for the study of radiation dynamics in a magnetodielectric environment

Rahmani, A; Chaumet, PC; Bryant, GW

Discrete dipole approximation for the study of radiation dynamics in a magnetodielectric environment

Rahmani, A

Chaumet, PC Bryant, GW

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Publication Type:: Journal Article
Citation:: Optics Express, 2010, 18 (8), pp. 8499 - 8504
Issue Date:: 2010-04-12

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Field	Value	Language
dc.contributor.author	Rahmani, A https://orcid.org/0000-0001-7272-9106	en_US
dc.contributor.author	Chaumet, PC	en_US
dc.contributor.author	Bryant, GW	en_US
dc.date.issued	2010-04-12	en_US
dc.identifier.citation	Optics Express, 2010, 18 (8), pp. 8499 - 8504	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13030
dc.description.abstract	We develop a general computational approach, based on the discrete dipole approximation, for the study of radiation dynamics near or inside an object with arbitrary linear dielectric permittivity, and magnetic permeability tensors. Our method can account for dispersion and losses and provides insight on the role of local-field corrections in discrete magnetodielectric structures. We illustrate our method in the case of a source inside a magneto-dielectric, isotropic sphere for which the spontaneous emission rate of a source can be computed analytically. We show that our approach is in excellent agreement with the exact result, providing an approach capable of handling both the electric and magnetic response of advanced metamaterials. © 2010 Optical Society of America.	en_US
dc.relation.ispartof	Optics Express	en_US
dc.relation.isbasedon	10.1364/OE.18.008499	en_US
dc.rights	© 2010 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.	en_US
dc.subject.classification	Optics	en_US
dc.title	Discrete dipole approximation for the study of radiation dynamics in a magnetodielectric environment	en_US
dc.type	Journal Article
utslib.citation.volume	8	en_US
utslib.citation.volume	18	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	8	en_US
pubs.publication-status	Published	en_US
pubs.volume	18	en_US

Abstract:

We develop a general computational approach, based on the discrete dipole approximation, for the study of radiation dynamics near or inside an object with arbitrary linear dielectric permittivity, and magnetic permeability tensors. Our method can account for dispersion and losses and provides insight on the role of local-field corrections in discrete magnetodielectric structures. We illustrate our method in the case of a source inside a magneto-dielectric, isotropic sphere for which the spontaneous emission rate of a source can be computed analytically. We show that our approach is in excellent agreement with the exact result, providing an approach capable of handling both the electric and magnetic response of advanced metamaterials. © 2010 Optical Society of America.

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http://hdl.handle.net/10453/13030