White light velocity interferometer
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United States of America Patent
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Jun 8, 1999
Grant Date -
N/A
app pub date -
Mar 14, 1997
filing date -
Feb 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.
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