Method and apparatus for determining characteristics of a...

Details Method and apparatus for determining characteristics of a... Method and apparatus for determining characteristics of a...

G - Physics

01

J

G01J 1/00 (2006.01) A61F 9/008 (2006.01) A61F 9/01 (2006.01) B23K 26/42 (2006.01) G01C 1/00 (2006.01) G01J 1/42 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2384804

A method for determining the dimensions of a laser beam spot (20), comprising: scanning the laser beam (18) in a path across a reference-edge (30) having a photodetector (40) positioned therebehind; and measuring an output signal from the photodetector (40) during the scanning, the output signal corresponding to an area of the laser beam spot (20) incident on the photodetector (40) during the scanning. Image

L'invention concerne un procédé permettant de déterminer les dimensions d'une tâche de faisceau laser (20). Ce procédé consiste à balayer le faisceau laser (18) dans une trajectoire sur un bord de référence (30) derrière lequel est positionné un photodétecteur (40). Ce procédé consiste également à mesurer un signal de sortie à partir du photodétecteur (40) pendant le balayage. Ce signal de sortie correspond à une zone de la tâche de faisceau laser (20) incident sur le photodétecteur (40) pendant le balayage.

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