Laser doppler velocimeter
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United States of America Patent
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Apr 17, 2007
Issued Date -
N/A
app pub date -
Feb 28, 2006
filing date -
Dec 6, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser Doppler velocimeter is formed using erbium-doped fiber as the lasing medium. The fiber is diode-pumped. By properly modulating the lasing in the fiber, pulses of radiation may be generated. A telescope acts as the transmission device to focus the radiation at a specified point, and may also act as the receiving system for reflected radiation. The portion of the reflected radiation collected by the receiving system is analyzed to determine the Doppler shift caused by aerosols or objects at the focal point of the telescope.
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Cited Art Landscape
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