Method of optical sampling
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United States of America Patent
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Sep 26, 1995
Issued Date -
N/A
app pub date -
Feb 24, 1994
filing date -
May 14, 1991
priority date (Note) -
Expired
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Abstract
The beam power of a laser beam is sampled by locating an elongate radiation conductive path across and substantially normal to the axis of the beam and detecting the light emitted at at least one of the ends of the radiation path, the radiation at the end of the radiation path being representative of the beam power of the laser. The radiation conductive path can be a glass rod but preferably the path comprises one or more optical fibres.
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