Device for the characterization of laser beams
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United States of America Patent
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Jun 1, 1999
Grant Date -
N/A
app pub date -
Mar 5, 1998
filing date -
Mar 7, 1997
priority date (Note) -
Expired
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Abstract
Device for the characterization of a laser beam according to a 'Knife edge' method as defined by Standard ISO 11146. The device has a lens for the focalization of an incident laser beam, and a detector. Interception elements are located between said lens and said detector in order to intercept sequentially the focalized laser beam in a plurality of different positions along its axis of propagation. The interception elements are suitable to allow, in each one of said positions, the passage of a progressively increasing (or decreasing) portion of the vocalized laser beam starting from a condition of substantially total (or null) interception up to a condition of substantially null (or total) interception.
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