Laser radar system
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United States of America Patent
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Dec 3, 1991
Grant Date -
N/A
app pub date -
Mar 1, 1990
filing date -
Mar 4, 1989
priority date (Note) -
Expired
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Abstract
The invention is directed to a laser radar method for measuring velocity of moving objects wherein the laser light reflected from the measured object is coupled back into the laser resonator and then conducted to a heterodyne receiver. An amplification effect is produced by the interaction of the reflected signal with the laser active medium and the resonator and this amplification effect produces an improved signal/noise-ratio and makes possible a simpler configuration of the measuring arrangement.
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