Device for homogenizing a laser beam

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United States of America Patent

PATENT NO 9625727
SERIAL NO

14777174

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Abstract

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Device for homogenizing a laser beam including a first substrate with a first lens array including a plurality of cylindrical lenses and a second substrate with a second cylindrical lens array, which is arranged in the beam path downstream of the first substrate and includes a plurality of cylindrical lenses. Exactly one of the cylindrical lenses of the second lens array is assigned to each of the cylindrical lenses of the first lens array. Center-to-center distances between the cylindrical lenses of the first lens array are greater than the center-to-center distances between the cylindrical lenses of the second lens array. A lens vertex of a central one of the cylindrical lenses of the first lens array is aligned with a lens vertex of a central one of the cylindrical lenses of the first lens array that is assigned thereto. Lens vertices of the other cylindrical lenses of the second lens array and the lens vertices of the cylindrical lenses of the first lens array that are assigned thereto have an outwardly increasing vertex offset proceeding from the center of the second lens array.

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Patent Owner(s)

Patent OwnerAddress
LIMO GMBH44319 DORTMUND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Steiner, Ingo Dortmund, DE 4 1

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