Laser-based Trackers. Jayhyun Kwon. Purpose. The laser tracker measures coordinates by tracking a laser beam to a retroreflective target held in contact with the object of interest.
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1. Infrared light reflects off the SMR and re-enters the
tracker, where it’s converted into an electrical signal.
2. Electronic circuitry analyzes the signal to determine its
time of flight, multiplying this value by the speed of light
in air to determine the distance from the tracker to the
retroreflective targetDistance measurement