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...

A - Human Necessities

61

F

A61F 9/01 (2006.01) B23K 26/42 (2006.01) G01M 11/02 (2006.01)

Patent

CA 2537146

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.

Procédé permettant de déterminer les dimensions d'une tache de faisceau laser (20) qui consiste à balayer le faisceau laser (18) selon une trajectoire sur un bord de référence (30) derrière lequel est placé un photodétecteur (40). Le procédé consiste également à mesurer un signal de sortie à partir du photodétecteur (40) pendant le balayage. Le signal de sortie correspond à une zone de la tache de faisceau laser (20) incident sur le photodétecteur (40) pendant le balayage.

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