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Article: On the inverse phase characteristics of Gaussian beams in negative refractive index materials

TitleOn the inverse phase characteristics of Gaussian beams in negative refractive index materials
Authors
KeywordsGaussian Beam
Left-Handed Materials
Phase Characteristics
Issue Date2009
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jopa
Citation
Journal Of Optics A: Pure And Applied Optics, 2009, v. 11 n. 10, article no. 105101 How to Cite?
Abstract
The phase characteristics of Gaussian beams in negative refractive index (NRI) slabs have been quantitatively investigated via the finite-difference time-domain (FDTD) method. The phase and magnitude distributions for both the normal and oblique incidences of continuous wave Gaussian beams are presented. For the normal incidence, all three contributions of the phase, i.e., plane-wave phase, radial phase and Guoy phase shift, have been shown to be the reverse of their counterparts in free space, which evidently reveals how phase compensation is caused by a NRI slab. Moreover, it is worth noting that our FDTD results are more accurate than the paraxial results in the case of a Gaussian beam propagating beyond the paraxial approximation. © 2009 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/157033
ISSN
ISI Accession Number ID
Funding AgencyGrant Number
University Research Grant of the University of Hong Kong
Funding Information:

Support from the University Research Grant of the University of Hong Kong is acknowledged.

References

 

Author Affiliations
  1. The University of Hong Kong
DC FieldValueLanguage
dc.contributor.authorChen, XHen_US
dc.contributor.authorSoh, AKen_US
dc.date.accessioned2012-08-08T08:45:02Z-
dc.date.available2012-08-08T08:45:02Z-
dc.date.issued2009en_US
dc.identifier.citationJournal Of Optics A: Pure And Applied Optics, 2009, v. 11 n. 10, article no. 105101en_US
dc.identifier.issn1464-4258en_US
dc.identifier.urihttp://hdl.handle.net/10722/157033-
dc.description.abstractThe phase characteristics of Gaussian beams in negative refractive index (NRI) slabs have been quantitatively investigated via the finite-difference time-domain (FDTD) method. The phase and magnitude distributions for both the normal and oblique incidences of continuous wave Gaussian beams are presented. For the normal incidence, all three contributions of the phase, i.e., plane-wave phase, radial phase and Guoy phase shift, have been shown to be the reverse of their counterparts in free space, which evidently reveals how phase compensation is caused by a NRI slab. Moreover, it is worth noting that our FDTD results are more accurate than the paraxial results in the case of a Gaussian beam propagating beyond the paraxial approximation. © 2009 IOP Publishing Ltd.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jopaen_US
dc.relation.ispartofJournal of Optics A: Pure and Applied Opticsen_US
dc.subjectGaussian Beamen_US
dc.subjectLeft-Handed Materialsen_US
dc.subjectPhase Characteristicsen_US
dc.titleOn the inverse phase characteristics of Gaussian beams in negative refractive index materialsen_US
dc.typeArticleen_US
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, AK=rp00170en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1088/1464-4258/11/10/105101en_US
dc.identifier.scopuseid_2-s2.0-70449338021en_US
dc.identifier.hkuros171054-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70449338021&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume11en_US
dc.identifier.issue10en_US
dc.identifier.spagearticle no. 105101-
dc.identifier.epagearticle no. 105101-
dc.identifier.isiWOS:000269822200005-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChen, XH=10241756400en_US
dc.identifier.scopusauthoridSoh, AK=7006795203en_US

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