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Simultaneous multivelocity component laser Doppler velocimetry using one digital frequency processor (1990)

Johnson, D. A.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 61 (1990), S. 1989-1990

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: Digital frequency processing used in conjunction with optical frquency shifting is an ideal way to achieve simultaneous multivelocity component measurements in laser Doppler velocimetry. This becomes obvious once realized that multivelocity component information at different frequency offsets can be obtained directly from the composite frequency spectrum of a single-channel digital frequency processor. The approach has numerous advantages over the very popular approach of using a different laser wavelength, photodetector, and signal processor for each velocity component.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1141408

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