Reference : Narrow band-width wavelength filter by guided mode resonance
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Narrow band-width wavelength filter by guided mode resonance
Lenaerts, Cedric mailto [Université de Liège - ULiège > Physique > Hololab > >]
Moreau, Vincent [Université de Liège - ULiège > Physique > Hololab > >]
Renotte, Yvon mailto [Université de Liège - ULiège > Département de physique > Optique - Hololab >]
Lion, Yves [Université de Liège - ULiège > Physique > Hololab > >]
Optical Engineering : The Journal of the Society of Photo-Optical Instrumentation Engineers
International Society of Optical Engineering
Yes (verified by ORBi)
[en] Holographic optical elements ; filters ; waveguides ; guided waves ; resonance
[en] Simple resonant structures that permit holographic reflection filtering are studied. The filters under study work under a 45-deg incidence for a wavelength of λ=632.8 nm, a condition useful for future inclusion in substrate mode systems. First, the influence of the structural parameters of the grating and the waveguide on the position and the shape of the resonance peaks are studied by numerical computation. The numerical results, obtained within the rigorous coupled wave theory, are compared with the measured response of some filters. These filters contain a grating recorded by holography deposited on the substrate. In the case of the bilayer filter, a waveguide is introduced between the grating and the substrate. Second, the numerical results are used for the conception of an active substrate mode spectral filter built from electro-optic zinc oxide.
Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (Communauté française de Belgique) - FRIA

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