Laser scanning system
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United States of America Patent
Stats
-
Jan 19, 1982
Grant Date -
N/A
app pub date -
Aug 4, 1975
filing date -
Aug 4, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A scanning laser doppler system in which the change in angle between transmitted and received beams caused by the finite transit time to the target is automatically compensated. The scanning beam is produced as a downward looking Palmer scan pattern by an expanded laser beam transmitted through a rotating wedge. The rotating wedge is tilted in accordance with the invention to align the received beam with a portion of the transmitted beam upon a detector.
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