Dynamic focus for laser processing head

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12265207
APP PUB NO 20220283416A1
SERIAL NO

17192327

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A laser processing head transmits a laser beam to a process zone. An input lens fixedly mounted in the head images the beam from an input with a first (negative) focal length along an optical axis. An intermediate lens is movably mounted in the head in connection with an actuator, which can move the intermediate lens along the axis at a variable lens distance relative to the input lens. The intermediate lens images the beam with a second (positive) focal length. An output lens fixedly mounted in the head images the beam with a third (positive) focal length along the axis to a focal point. The third focal length is greater than the second focal length and provides a large working distance. The focal point can be varied at a variable focal distance along the axis in relation to the variable lens distance by which the intermediate lens is moved.

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Patent Owner(s)

Patent OwnerAddress
II-VI DELAWARE INC1100 NORTH MARKET STREET 4TH FLOOR WILMINGTON DE 19890

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Danny Kleinmachnow, DE 48 331

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