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Optics Letters

Optics Letters


  • Vol. 25, Iss. 18 — Sep. 15, 2000
  • pp: 1340–1342

Temperature and flow-velocity measurements by use of laser-induced electrostrictive gratings

B. Hemmerling, D. N. Kozlov, and A. Stampanoni-Panariello  »View Author Affiliations

Optics Letters, Vol. 25, Issue 18, pp. 1340-1342 (2000)

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Light scattering from laser-induced electrostrictive gratings has been used for simultaneous, instantaneous, nonintrusive, and remote measurements of temperature and velocity in a submerged air jet. We accomplished phase-sensitive detection of scattered light by superimposing two signal beams whose frequencies were Doppler shifted by the movement of the grating. Temperatures in the range 295–600 K and flow velocities in the range 10–100 m/s were measured.

© 2000 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(190.1900) Nonlinear optics : Diagnostic applications of nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4870) Nonlinear optics : Photothermal effects
(280.2490) Remote sensing and sensors : Flow diagnostics
(290.5900) Scattering : Scattering, stimulated Brillouin

B. Hemmerling, D. N. Kozlov, and A. Stampanoni-Panariello, "Temperature and flow-velocity measurements by use of laser-induced electrostrictive gratings," Opt. Lett. 25, 1340-1342 (2000)

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