G - Physics – 01 – J
Patent
G - Physics
01
J
G01J 3/44 (2006.01) G01J 3/08 (2006.01)
Patent
CA 2609704
This invention relates to a spectroscopic apparatus for measuring at least two spectrally shifted spectral distributions of a light beam, said apparatus comprises a dispersive element adapted to generate a spatial dispersion of the spectral components in a light beam when said dispersive element is being illuminated by said light beam; and a detector adapted to measure the intensity of at least a part of said dispersed spectral components where said apparatus further comprises an optical shifting means adapted to illuminate said dispersive element in at least two different ways, such that said light beam hits said dispersive element differently, and whereby said dispersive element generates at least two spatially shifted spatial dispersions of the spectral components in said light beam. The invention further relates to a probing system comprising said spectroscopic apparatus for measuring at least two spectrally shifted spectral distributions of a light beam, and a method for measuring at least two spectrally shifted spectral distributions of a light beam.
La présente invention concerne un appareil spectroscopique pour mesurer au moins deux distributions spectrales à spectre décalé d'un faisceau lumineux, ledit appareil comprenant un élément dispersif adapté pour générer une dispersion spatiale des composants spectraux dans un faisceau lumineux, lorsque ledit élément dispersif est éclairé par ledit faisceau lumineux ; et un détecteur adapté pour mesurer l'intensité d'au moins une partie desdits composants spectraux dispersés, ledit appareil comprenant en outre un moyen de décalage optique pour éclairer ledit élément dispersif de deux façons différentes au moins, de telle sorte que ledit faisceau lumineux frappe ledit élément dispersif de manière différente, en conséquence de quoi ledit élément dispersif génère au moins deux dispersions spatiales, décalées dans l'espace, des composants spectraux dans ledit faisceau lumineux. L'invention concerne de plus un système de sonde comportant ledit appareil spectroscopique pour mesurer au moins deux distributions spectrales à spectre décalé d'un faisceau lumineux, et un procédé pour mesurer au moins deux distributions spectrales à spectre décalé d'un faisceau lumineux.
Banke Stephan Ovesen
Henneberg Morten
Kirby Eades Gale Baker
Rsp Systems Aps
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