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Photon Doppler Velocimetry (PDV)

Photon Doppler Velocimetry (PDV)

Photon Doppler Velocimetry (PDV)At The Ohio State University seven of these systems have been created. These are the maximum speed capabilities of each of the seven systems created by The Impulse Manufacturing Lab.

- Ohio State University: 1.5 km/s and 2.5 km/s (frequency upshift available)

- University of Waterloo: 1.5 km/s

- Protective group: Miami, Florida: 1.5 km/s

- University of New Hampshire: 1.5 km/s

- Technical University of Dortmund: 1.5 km/s

- B-Max Teluse-France: 1.5 km/s (frequency upshift available)





Photon Doppler Velocimetry (PDV) frequency graph- 1 Watt Er fiber laser: wavelength of 1550 nm

Stable, tunable, 3 kHz line width

- 2 GHz digital storage oscilloscope

- 1.5 GHz photodetectors

-Various  optical components and probes


Measurement specifications:

- 0 to 1.5 km/sec

- 1 ns temporal resolution

- 1 micrometer spatial resolution


PDV Schematic

Photon Doppler Velocimetry (PDV) Diagram