Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 21, 2006
Patent Application Number
10502675
Date Filed
January 28, 2003
Patent Primary Examiner
Patent abstract
An apparatus and method for monitoring light beams comprising a reflector for passing at least partially through the beam to reflect a sample of the beam and at least one sensor arranged to receive the reflected beam sample for determining a characteristic of the beam sample. The reflector may be arranged to oscillate and the sensors may he arranged at substantially forty-five or ninety degrees to the axis of the incident beam.
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