G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/293 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2379530
Optical interference filters are designed with harmonic elements that can be related to Fourier series approximations of desired filter responses. The harmonic elements can be fashioned as individual waveguides of an array arranged in various formats including planar or concentric geometries. The expansion coefficients of the Fourier series correspond to normalized power distributions among the waveguides, and the harmonic components of the series correspond to incremental optical path length differences between the waveguides.
L'invention concerne des filtres interférentiels optiques. Ces filtres sont conçus avec des éléments harmoniques qui peuvent être liés à des approximations de séries de Fourier des réponses des filtres requises. Les éléments harmoniques peuvent se présenter comme des guides d'ondes individuels d'un ensemble, disposés dans divers formats avec des géométries planaires ou concentriques. Les coefficients de dilatation de la série de Fourier correspondent aux répartitions de puissance normalisées parmi les guides d'ondes, et les composantes harmoniques de la série correspondent aux différences de longueurs du chemin optique incrémental entre les guides d'ondes.
Corning Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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