High performance fluorescent optical sensor

Details High performance fluorescent optical sensor High performance fluorescent optical sensor

G - Physics

01

N

G01N 21/64 (2006.01) G01N 21/77 (2006.01)

Patent

CA 2469870

An optical sensor device for determining the presence or concentration of an analyte, contains a waveguide (103) disposed over a light source (101) of a substrate (100) and separated by an internal baffle (104), wherein the waveguide has a thickness corresponding to a far field emission point of the light source as determined by a light shielding baffle between the light source and light detector.

L'invention concerne un dispositif de capteur optique permettant de déterminer la présence ou la concentration d'un analyte. Ce dispositif comprend un guide d'ondes (103) placé sur une source de lumière (101) d'un substrat (100) et séparé par un déflecteur intérieur (104). Le guide d'ondes possède une épaisseur correspondant à un point d'émission de champ lointain de la source de lumière, tel que déterminé par un déflecteur écran situé entre la source de lumière et le détecteur de lumière.

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