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Method of operating a fast scanning mirror

  • US 8,752,969 B1
  • Filed: 10/14/2008
  • Issued: 06/17/2014
  • Est. Priority Date: 10/15/2007
  • Status: Active Grant
First Claim
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1. A method of operating an adjustable mirror to detect and respond to an incident ray from an external object, and to redirect a radiation beam from a laser source;

  • wherein said adjustable mirror has an associated dual-axis steering device comprising;

    an inner stage,first mechanical means for pivotally supporting the inner stage about a first rotational axle on a first axis of rotation, said inner stage being rotatable relative to a base on a first frictionally rotational pivot point without developing torsional deformation of the first rotatable axle,a reflector,second mechanical means for pivotally supporting the reflector from the inner stage, about a second rotational axle on a second axis of rotation, said reflector being rotatable relative to said inner stage on a second frictionally rotational pivot point without developing torsional deformation of the second rotatable axle, anda magnetic-circuit control system for controlling an angle of the reflector with respect to a radiation beam from the laser source, andsaid method comprising the steps of;

    first, utilizing the dual-axis steering device to measure an incident angle of the incident ray from the external object; and

    second, utilizing the magnetic-circuit control system of the dual-axis steering device to steer the reflector to direct the radiation beam from the laser source toward the external object in response to the measured incident ray.

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