Compact optical probe and related measuring method

Details Compact optical probe and related measuring method Compact optical probe and related measuring method

G - Physics

01

N

G01N 21/05 (2006.01) G01N 21/53 (2006.01) G01N 21/85 (2006.01) G01N 33/04 (2006.01)

Patent

CA 2392258

The invention concerns a compact optical probe and a measuring method associated with said probe. The probe (1) comprises means emitting (20) an incident light beam on a sample, a light diffusion detector capable of detecting the light diffused by the sample and a wall semitransparent (51) to the incident beam arranged so as to separate the sample from the emitting means and the light diffusion means. The probe also comprises a light reflection detector (40), capable of detecting a beam directly reflected by the semitransparent wall illuminated by the same incident beam. The reflected beam serves as reference for the diffused beam.

L'invention concerne une sonde optique compacte ainsi qu'un procédé de mesure associé à cette sonde. La sonde (1) comprend des moyens d'émission (20) d'un faisceau lumineux incident sur un échantillon, un détecteur de diffusion capable de détecter de la lumière diffusée par l'échantillon et une paroi semi- transparente (51) au faisceau incident disposée de manière à séparer l'échantillon des moyens d'émission et de détecteur de diffusion. La sonde comprend aussi un détecteur de réflexion (40), capable de détecter un faisceau réfléchi directement par la paroi semi-transparente éclairée par ce même faisceau incident. Le faisceau réfléchi sert de référence pour le faisceau diffusé.

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