Device and method for expanding a laser beam

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United States of America Patent

PATENT NO 9638907
APP PUB NO 20140293406A1
SERIAL NO

14006334

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Abstract

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Methods and devices for expanding a laser beam are provided. In one aspect, a device includes a telescope arrangement having two spherical folding mirrors for expanding an incident collimated laser beam with a lens arranged in the divergent beam path downstream of the telescopic arrangement. The two spherical folding mirrors in the beam path are a first, convex-curved spherical folding mirror and a second, concave-curved spherical folding mirror, respectively. The lens has a spherical lens face for collimating the expanded laser beam from the telescope arrangement. The laser beam can be an ultraviolet (UV) laser beam.

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Patent Owner(s)

Patent OwnerAddress
TRUMPF LASER GMBH78713 SCHRAMBERG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tillkorn, Christoph Villingendorf, DE 25 80
Wallmeroth, Klaus Zimmern o.R., DE 8 32
Zawischa, Ivo Villingen-Schwenningen, DE 4 4

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