Flat top optical filtering component

Details Flat top optical filtering component Flat top optical filtering component

G - Physics

02

B

G02B 5/28 (2006.01) G01J 3/26 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2498349

The invention concerns wavelength-selective optical filters, for allowing through light of a narrow optical spectral band, centered about a wavelength (.lambda.¿c?), and reflecting the wavelengths outside said band. The invention is characterized in that the transfer function (T¿1?,¿2?(.lambda.)) of the component is defined by multiplying two transfer functions of wavelength-shifted Fabry-Perot filters.

L'invention concerne les filtres optiques sélectifs en longueur d'onde, permettant de laisser passer la lumière d'une bande spectrale optique étroite, centrée autour d'une longueur d'onde (hc), et de réfléchir les longueurs d'onde situées en dehors de cette bande. Selon l'invention, la fonction de transfert (T1,2(A)) du composant est définie par la multiplication de deux fonctions de transfert de filtres de type Fabry-Perot décalés spectralement.

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