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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 11 — Jun. 1, 2006
  • pp: 1645–1647

Intracavity Rayleigh–Mie scattering for multipoint, two-component velocity measurement

Daniel Bivolaru, Paul M. Danehy, and Joseph W. Lee  »View Author Affiliations

Optics Letters, Vol. 31, Issue 11, pp. 1645-1647 (2006)

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A simultaneous multipoint, two-component Doppler velocimeter is described. The system uses two optical cavities: a Fabry–Perot etalon and an optical cavity for collecting and recirculating the Rayleigh–Mie-scattered light that is collected from the measurement volume in two parallel but opposite directions. Single-pulse measurements of two orthogonal components of the velocity vector in a supersonic free jet were performed to demonstrate the technique. The recirculation of the light rejected by the interferometer input mirror also increased the signal intensity by a factor of 3.5.

© 2006 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.7250) Instrumentation, measurement, and metrology : Velocimetry

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: January 4, 2006
Manuscript Accepted: February 16, 2006

Daniel Bivolaru, Paul M. Danehy, and Joseph W. Lee, "Intracavity Rayleigh-Mie scattering for multipoint, two-component velocity measurement," Opt. Lett. 31, 1645-1647 (2006)

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