Holographic multiplexed image sensor

Details Holographic multiplexed image sensor Holographic multiplexed image sensor

G - Physics

01

N

G01N 21/75 (2006.01) G03H 1/18 (2006.01) G03H 1/28 (2006.01)

Patent

CA 2396236

A holographic sensor comprising a thin film polymer matrix that undergoes a change in response to a substance to be sensed, the matrix containing within its volume a set of two or more holographic recordings, each recording providing a holographic image when the sensor is illuminated, wherein the presence or appearance of each image is visible to the eye as a function of the response of the sensor to the substance to be sensed. The images provide the dynamic range of the sensor. Such a sensor can be used to provide a visible image that changes or appears to the eye in response to an analyte.

L'invention concerne un capteur holographique qui comprend une matrice de polymère en couches minces. Cette matrice subit une modification en réponse à la détection d'une substance. Cette matrice contient dans son volume un ensemble de deux ou plusieurs enregistrements holographiques. Chaque enregistrement fournit une image holographique lors de l'éclairage du capteur, et la présence ou l'aspect de chaque image est visible à l'oeil en fonction de la réponse de ce capteur à la substance détectée. Les images fournissent la plage dynamique du capteur. Un capteur de ce type permet de fournir une image visible qui change ou est visible pour l'oeil en réponse à un analyte.

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