Systems, methods, and apparatuses of low-coherence enhanced...

G - Physics – 01 – J

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G01J 3/42 (2006.01) A61B 1/00 (2006.01) A61B 5/00 (2006.01) A61B 6/00 (2006.01) G01N 21/21 (2006.01) G01N 21/47 (2006.01)

Patent

CA 2651799

Systems, methods, and apparatuses of low-coherence enhanced backscattering spectroscopy are described within this application. One embodiment includes providing incident light comprising at least one spectral component having low coherence, wherein the incident light is to be illuminated on a target object in vivo. An intensity of one or more of at least one spectral component and at least one angular component of backscattering angle of backscattered light is recorded, wherein the backscattered light is to be backscattered from illumination of the incident light on the target object and wherein the backscattering angle is an angle between incident light propagation direction and backscattered light propagation direction. The intensity of the at least one spectral component and the at least one backscattering angle of backscattered light is analyzed, to obtain one or more optical markers of the backscattered light, toward evaluating said properties.

La présente invention concerne des systèmes, procédés, et appareils de spectroscopie par rétrodiffusion améliorée de faible cohérence. Un mode de réalisation comprend la fourniture de lumière incidente comprenant au moins une composante spectrale présentant une faible cohérence, ladite lumière incidente étant destinée à être dirigée sur un objet cible in vivo. Une intensité d'une ou de plusieurs composantes spectrales et au moins une composante angulaire de l'angle de rétrodiffusion de la lumière rétrodiffusée est enregistrée, ladite lumière rétrodiffusée étant destinée à être rétrodiffusée à partir de l'éclairage de la lumière incidente sur l'objet cible et l'angle de rétrodiffusion étant constitué par un angle entre la direction de propagation de la lumière incidente et la direction de propagation de la lumière rétrodiffusée. L'intensité de ladite composant spectrale et ledit angle de rétrodiffusion est analysée, pour obtenir un ou des marqueurs optiques de la lumière rétrodiffusée, en vue de l'évaluation desdites propriétés.

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