Laser controller
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United States of America Patent
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May 14, 2013
Grant Date -
Apr 22, 2010
app pub date -
Oct 3, 2006
filing date -
Oct 3, 2006
priority date (Note) -
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Abstract
A controller for controlling the power of a laser that is used in determining the motion of an object includes a power source that is arranged to supply power pulses to the laser in response to a controller signal. The controller controls the generation of pulses during periods in which a reliable result can be obtained, by detecting the laser radiation that has interacted with pulses reflected from the object, in order to conserve power consumption. Further the power pulses include a heating pulse portion, which serves to stabilize the temperature of the laser and calibrate the laser so that a known lasing wavelength is generated.
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