G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/09 (2006.01) B23K 26/00 (2006.01) B23K 26/06 (2006.01) G02B 3/00 (2006.01)
Patent
CA 2224997
An optical device includes a plurality of abutting front lenses (LF), arranged in m rows and n columns, in a direction normal to the laser beam propagation direction, and capable of dividing the laser beam to be homogenised into m x n laser beams, each having a substantially uniform cross-section, and a substantially homogeneous energy distribution. Assembling means couple individual front lenses (LF) to each other, such that they do not interface with the progression of light beams passing through said coupled front lenses (LF). The lenses can be coupled by bonding and/or clamping.
Le dispositif optique comprend une pluralité de lentilles frontales (LF), jointives, disposées en m lignes et n colonnes, perpendiculairement à la direction de propagation du faisceau laser, et propres à découper le faisceau laser à traiter en m x n faisceaux laser ayant chacun une section transversale sensiblement uniforme, et une répartition énergétique sensiblement homogène. Des moyens d'assemblage assemblent individuellement les lentilles frontales (LF) les unes aux autres, de telle sorte qu'elles ne perturbent pas la marche des faisceaux lumineux traversant lesdites lentilles frontales (LF) ainsi assemblées. Les moyens d'assemblage sont par collage et/ou serrage.
Godard Bruno
Stehle Robert
Shapiro Cohen
Societe de Production Et de Recherches Appliquees
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