G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 7/10 (2006.01) G01B 9/02 (2006.01) G01J 3/443 (2006.01) G01J 3/45 (2006.01) G03C 8/32 (2006.01)
Patent
CA 2310672
The present invention provides a scanning apparatus to obtain automated, rapid and sensitive scanning of substrate fluorescence, optical density or phosphorescence. The scanner uses a constant path length optical train, which enables the combination of a moving beam for high speed scanning with phase- sensitive detection for noise reduction. The constant path length optical train comprises a light source, a scanning mirror (40) to receive light from the light source and sweep it across a steering mirror (50), the steering mirror receives the light from the scanning mirror and reflect the light to a substrate wherein the substrate reflects the light to a photodetector (70).
La présente invention concerne un appareil de balayage servant à effectuer un balayage automatisé, rapide et sensible de la fluorescence, de la densité optique ou de la phosphorescence d'un substrat. Le scanner utilise un trajet optique à longueur constante, ce qui permet de combiner un faisceau mobile destiné au balayage haute vitesse avec une détection sensible à la phase servant à la suppression de bruit. Le trajet optique à longueur constante comprend une source de lumière, un miroir de balayage (40) servant à recevoir la lumière provenant d'une source de lumière et à la balayer à travers un miroir orientable (50), le miroir orientable recevant la lumière depuis le miroir de balayage et la reflétant sur un substrat, ledit substrat envoyant la lumière à un photodétecteur (70).
Basiji David A.
Esposito Richard J.
Van Der Engh Gerrit J.
Mckay-Carey & Company
University Of Washington
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