Method and apparatus for peak compensation in an optical filter

G - Physics – 01 – J

Patent

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G01J 3/44 (2006.01) G01N 21/65 (2006.01)

Patent

CA 2572164

In one embodiment the disclosure relates to a method and a system for determining the corrected wavelength of a photon scattered by a sample. The method includes the steps of determining a wavelength of a photon scattered from a sample exposed to illuminating photons and passed through a tunable filter and correcting the determined wavelength of the photon as a function of the temperature of the tunable filter and as a function of the bandpass set point of the tunable filter. The step of correcting the determined wavelength can further include determining an offset and adding the offset to the determined wavelength of the photon.

L'invention porte dans une exécution sur un procédé et un système permettant de déterminer la longueur d'onde corrigée d'un photon diffusé par un échantillon. Le procédé consiste à déterminer la longueur d'onde d'un photon diffusé par un échantillon exposé à des photons l'éclairant ayant traversé un filtre accordable, et à corriger la longueur d'onde du photon ainsi déterminée en fonction de la température du filtre accordable, et du point de bande passante sur lequel il est accordé. Cette dernière étape peut en outre consister à déterminer un décalage et à l'ajouter à la longueur d'onde déterminée du photon.

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