CO2 laser machining head with integrated monitoring device
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United States of America Patent
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N/A
Issued Date -
Mar 2, 2006
app pub date -
Aug 24, 2005
filing date -
Aug 25, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A CO.sub.2 laser machining head with machining optics comprising at least one lens, through which a CO.sub.2 laser beam is directed to a workpiece, and a monitoring device for monitoring defects and contamination in the machining optics, comprising a plurality of light emitting diodes and photodiodes which are directed to an optically active surface of the machining optics so as to be distributed around the CO.sub.2 laser bean in order to determine defects and contamination of the optically active surfaces of the machining optics by detecting reflected components and stray components of the radiation of the light emitting diodes.
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