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SUMMARY:Photonic Doppler velocimetry: The easy way to measure particle vel
 ocity - Philip Rae\, Los Alamos National Laboratory\, New Mexico
DTSTART:20090423T150000Z
DTEND:20090423T160000Z
UID:TALK17118@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:Advances in the telecommunication industries have resulted in 
 a wide variety of fiber based lasers and optical fiber components being av
 ailable cheaply. Additionally\, ultrafast (50Gsamples/second) digitizing o
 scilloscopes have been developed in the last few years. Using these compon
 ents\, it is now possible to create a robust fiber based interferometer th
 at with essentially zero alignment difficulty can measure the particle vel
 ocity of almost any diffusely reflecting surface. This presentation will c
 over the theory\, construction and analysis of the data.
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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