Optical spectroscopy system

G - Physics – 01 – J

Patent

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G01J 3/00 (2006.01) G01J 3/44 (2006.01) G01J 3/12 (2006.01) G01J 3/28 (2006.01) G01J 11/00 (2006.01)

Patent

CA 2041342

An optical spectroscopy system is provided, in which a pulse of a radiation to be analyzed is passed through a diffractive element presenting high temporal chromatic dispersion so as to provide temporal dispersion of different wavelengths comprised by the radiation, and the temporal dispersion is measured either directly or by converting the temporal dispersion into a spatial dispersion, so as to provide data by correlation of the measured dispersion and the characteristics of the diffractive element, which is preferably an elongated optical fibre trunk.

ystème de spectroscopie à émission optique dans lequel l'impulsion du rayonnement à analyser traverse un élément de diffraction présentant une dispersion chromatique temporelle élevée de manière à offrir une dispersion temporelle des différentes longueurs d'onde que renferme le rayonnement, et la dispersion temporelle est mesurée soit directement, soit en convertissant la dispersion temporelle en dispersion spatiale, de manière à fournir des données par corrélation de la dispersion mesurée et des caractéristiques de l'élément de diffraction, qui est, de préférence, un réseau de fibre optique allongée.

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