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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 13 — Jul. 1, 2010
  • pp: 2161–2163

Magnetotunable left-handed FeSiB ferromagnetic microwires

Alberto Labrador, Cristina Gómez-Polo, José Ignacio Pérez-Landazábal, Vitalii Zablotskii, Iñigo Ederra, Ramón Gonzalo, Giovanni Badini-Confalonieri, and Manuel Vázquez  »View Author Affiliations


Optics Letters, Vol. 35, Issue 13, pp. 2161-2163 (2010)
http://dx.doi.org/10.1364/OL.35.002161


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Abstract

The magnetotunable left-handed characteristics of Fe 77.5 Si 12.5 B 10 glass-coated ferromagnetic microwires are analyzed in array and single microwire configuration, employing a rectangular waveguide working in X band. While the negative permeability is ascribed to the natural ferromagnetic resonance (NFMR) of the highly and positive magnetostrictive microwire, the negative permittivity features of the medium are attributed to the interaction of the microwires with the metallic rectangular waveguide. The dependence of the NFMR frequency on the applied external magnetic field enables the design of magnetotunable left-handed systems with wide-frequency band.

© 2010 Optical Society of America

OCIS Codes
(000.2190) General : Experimental physics
(000.2690) General : General physics
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: March 18, 2010
Revised Manuscript: May 20, 2010
Manuscript Accepted: May 20, 2010
Published: June 21, 2010

Citation
Alberto Labrador, Cristina Gómez-Polo, José Ignacio Pérez-Landazábal, Vitalii Zablotskii, Iñigo Ederra, Ramón Gonzalo, Giovanni Badini-Confalonieri, and Manuel Vázquez, "Magnetotunable left-handed FeSiB ferromagnetic microwires," Opt. Lett. 35, 2161-2163 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-13-2161

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