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Near field focusing effect and hyperbolic dispersion in dielectric photonic crystals

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cris.author.scopus-author-id36807038700
cris.author.scopus-author-id7202536121
cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtual.author-orcid0000-0001-5548-694X
cris.virtual.department#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtual.departmentIndian Institute of Technology, Madras
cris.virtualsource.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtualsource.author-orcid88fac2ae-33bb-466c-b06e-7f691bbf6c2a
cris.virtualsource.department#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtualsource.department88fac2ae-33bb-466c-b06e-7f691bbf6c2a
dc.contributor.authorYogesh, N.
dc.contributor.authorVenkatachalam Subramanian
dc.date.accessioned2023-09-20T05:35:43Z
dc.date.available2023-09-20T05:35:43Z
dc.date.issued29-09-2011
dc.description.abstractThis paper investigates the near field focusing behavior corresponding to the hyperbolic dispersion regime at the second band of the square lattice photonic crystal (PC). Numerical studies reveal the influence of the corner part negative refraction in the observed focusing effect, though the major part of the ref179{190raction is divergent at this hyperbolic regime. It is further observed that the investigated dispersion shows the surface mode behavior when the effective index of the PC slab is higher than the air medium. This aspect may be implemented for the excitation and transfer of near fields for an evanescent wave microscopy.
dc.identifier.doi10.2528/PIERM11070702
dc.identifier.issn19378726
dc.identifier.scopus2-s2.0-80053167310
dc.identifier.urihttps://apicris.irins.org/handle/IITM2023/49680
dc.relation.ispartofseriesProgress In Electromagnetics Research M
dc.sourceProgress In Electromagnetics Research M
dc.titleNear field focusing effect and hyperbolic dispersion in dielectric photonic crystals
dc.typeJournal
dspace.entity.typePublication
oaire.citation.endPage190
oaire.citation.startPage179
oaire.citation.volume20
oairecerif.author.affiliation#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliationIndian Institute of Technology, Madras
person.affiliation.cityChennai
person.affiliation.id60025757
person.affiliation.nameIndian Institute of Technology Madras
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