Laser ultrasonic measurement system with movable beam delivery

Details Laser ultrasonic measurement system with movable beam delivery Laser ultrasonic measurement system with movable beam delivery

G - Physics

01

B

G01B 11/00 (2006.01) G01B 9/02 (2006.01) G01B 17/00 (2006.01) G01N 29/26 (2006.01)

Patent

CA 2723461

A laser ultrasonic measurement system includes a first and a second laser source configured to generate a first and a second laser beam, respectively. A movable mechanical link is arranged to transmit the first laser beam. The movable mechani-cal link is formed by a plurality of rigid sections interconnected by rotating joints. A robot is configured to support and control the movement of at least a section of the mechanical link to transmit the first laser beam to an object. An optical scanner is positioned proximate to the mechanical link. The optical scanner is configured to direct the first and second laser beams onto the object. An interferometer is optically coupled to the optical scanner. The interferometer is configured to receive reflected light from the ob-ject and in response generate an electrical signal. The first laser source is kinematically mounted in a housing assembly.

Un système de mesure par ultrasons laser comprend une première et une seconde source laser conçues pour générer un premier et un second faisceau laser, respectivement. Une liaison mécanique mobile est conçue pour transmettre le premier faisceau laser. La liaison mécanique mobile est formée dune pluralité de sections rigides reliées entre elles par des joints tournants. Un robot est conçu pour supporter et commander le mouvement dune ou de plusieurs sections de la liaison mécanique pour transmettre le premier faisceau laser à un objet. Un dispositif de balayage optique est positionné près de la liaison mécanique. Le dispositif de balayage optique est conçu pour diriger les premier et second faisceaux laser sur lobjet. Un interféromètre est accouplé optiquement au dispositif de balayage. Linterféromètre est conçu pour recevoir la lumière réfléchie de lobjet et pour générer en réponse un signal électrique. La première source laser est montée cinématiquement dans un ensemble boîtier.

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