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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 18 — Sep. 15, 1994
  • pp: 1486–1488

Velocimetry of gas flows using degenerate four-wave mixing

R. B. Williams, P. Ewart, and A. Dreizler  »View Author Affiliations


Optics Letters, Vol. 19, Issue 18, pp. 1486-1488 (1994)
http://dx.doi.org/10.1364/OL.19.001486


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Abstract

A method of velocimetry of gaseous flows based on resonant degenerate four-wave mixing (DFWM) is described. Spatially resolved velocity measurements are derived from Doppler shifts of DFWM signals generated in NOseeded into flows of air or N2. Velocities in the range of 60 to 200 ms−1 have been measured with an uncertainty of ±30 ms−1.

© 1994 Optical Society of America

Citation
R. B. Williams, P. Ewart, and A. Dreizler, "Velocimetry of gas flows using degenerate four-wave mixing," Opt. Lett. 19, 1486-1488 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-18-1486

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