University of Cambridge > > Physics and Chemistry of Solids Group > Photonic Doppler velocimetry: The easy way to measure particle velocity

Photonic Doppler velocimetry: The easy way to measure particle velocity

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Advances in the telecommunication industries have resulted in a wide variety of fiber based lasers and optical fiber components being available cheaply. Additionally, ultrafast (50Gsamples/second) digitizing oscilloscopes have been developed in the last few years. Using these components, it is now possible to create a robust fiber based interferometer that with essentially zero alignment difficulty can measure the particle velocity of almost any diffusely reflecting surface. This presentation will cover the theory, construction and analysis of the data.

This talk is part of the Physics and Chemistry of Solids Group series.

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