Change search
ReferencesLink to record
Permanent link

Direct link
Hybrid metal-dielectric ring resonators for homogenizable optical metamaterials with strong magnetic response at short wavelengths down to the ultraviolet range
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID iD: 0000-0002-3401-1125
2013 (English)In: Optics Express, ISSN 1094-4087, Vol. 21, no 20, 23511-23521 p.Article in journal (Refereed) Published
Abstract [en]

We derive an analytical LC model from Maxwell's equations for the magnetic resonance of subwavelength ring resonators. Using the LC model, we revisit the scaling of split-ring resonators. Inspired by the LC model, we propose a hybrid metal-dielectric ring resonator mainly composed of high index dielectric material (e. g., TiO2) with some gaps filled with metal (e. g., Ag). The saturation frequency of magnetic response for the hybrid metal-dielectric ring resonator is much higher (up to the ultraviolet range) than that for split-ring resonators, and can be controlled by the metal fraction in the ring. The hybrid metal-dielectric ring resonator can also overcome the homogenization problem of all-dielectric magnetic resonators, and therefore can form homogenizable magnetic metamaterials at short wavelengths down to the ultraviolet range.

Place, publisher, year, edition, pages
2013. Vol. 21, no 20, 23511-23521 p.
Keyword [en]
Negative-Index Metamaterials, Visible Frequencies, Refractive-Index, Permeability, Permittivity
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-133631DOI: 10.1364/OE.21.023511ISI: 000325549800049ScopusID: 2-s2.0-84885464993OAI: diva2:663357
Swedish Research Council

QC 20131111

Available from: 2013-11-11 Created: 2013-11-08 Last updated: 2013-11-19Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
He, Sailing
By organisation
Electromagnetic EngineeringZhejiang-KTH Joint Research Center of Photonics, JORCEP
In the same journal
Optics Express
Engineering and Technology

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 24 hits
ReferencesLink to record
Permanent link

Direct link