Excitation of eigenmodes at uniaxial crystal-metal-isotropic films

We perform a theoretical study about the interaction between light and the eigenmodes of a metallic film that separates a uniaxial crystal from an isotropic medium. These structures support two different eigenmodes: a surface mode at the isotropic medium-metal interface and another mode at the cryst...

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Detalles Bibliográficos
Autor principal: Gigli, M.L
Otros Autores: Depine, Ricardo Angel
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1998
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
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100 1 |a Gigli, M.L. 
245 1 0 |a Excitation of eigenmodes at uniaxial crystal-metal-isotropic films 
260 |c 1998 
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504 |a Depine, R.A., Gigli, M.L., (1995) Optics Lett., 20, p. 2243 
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504 |a Depine, R.A., Gigli, M.L., (1994) J. mod. Optics, 41, p. 695 
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506 |2 openaire  |e Política editorial 
520 3 |a We perform a theoretical study about the interaction between light and the eigenmodes of a metallic film that separates a uniaxial crystal from an isotropic medium. These structures support two different eigenmodes: a surface mode at the isotropic medium-metal interface and another mode at the crystal-metal interface. We show that, contrary to what happens in isotropic configurations, these two modes can couple to incident radiation without corrugating the surface or adding another interface. We give conditions to obtain zero reflected power and a strong enhancement of the fields at both interfaces. We also show that, owing to the different characteristics of the modes supported by each interface, the relative position of their propagation constants in the complex plane can be selected rather arbitrarily by tuning the film parameters. We give examples in which both couplings occur for angles of incidence either very different (separate resonances) or very close (almost double resonances). In the latter case we observe the phenomenon of “reluctance” between resonances. © 1998 Taylor & Francis Group, LLC.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: This work was partially supported by grants from APCYT, Universidad de Buenos Aires and Fundacion Antorchas. 
593 |a Grupo de Electromagnetismo Aplicado, Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina 
690 1 0 |a EIGENVALUES AND EIGENFUNCTIONS 
690 1 0 |a INTERFACES (MATERIALS) 
690 1 0 |a METALLIC FILMS 
690 1 0 |a EXCITATION OF EIGENMODES 
690 1 0 |a LIGHT PROPAGATION 
700 1 |a Depine, Ricardo Angel 
773 0 |d 1998  |g v. 45  |h pp. 2281-2299  |k n. 11  |p J. Mod. Opt.  |x 09500340  |w (AR-BaUEN)CENRE-328  |t Journal of Modern Optics 
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