Abstract

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 10100 m/s were measured.

© 2000 Optical Society of America

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References

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2000

1999

1998

D. J. W. Walker, R. B. Williams, and P. Ewart, Opt. Lett. 23, 1316 (1998).
[CrossRef]

A. Stampanoni-Panariello, B. Hemmerling, and W. Hubschmid, Appl. Phys. B 67, 125 (1998).
[CrossRef]

1995

1994

Balla, R. J.

Cummings, E. B.

Ewart, P.

Forsman, J. W.

Hart, R. C.

Hemmerling, B.

A. Stampanoni-Panariello, B. Hemmerling, and W. Hubschmid, Appl. Phys. B 67, 125 (1998).
[CrossRef]

W. Hubschmid, B. Hemmerling, and A. Stampanoni-Panariello, J. Opt. Soc. Am. B 12, 1850 (1995).
[CrossRef]

D. N. Kozlov, B. Hemmerling, and A. Stampanoni-Panariello, Appl. Phys. B (to be published).

Herring, G. C.

Hornung, H. G.

Hubschmid, W.

A. Stampanoni-Panariello, B. Hemmerling, and W. Hubschmid, Appl. Phys. B 67, 125 (1998).
[CrossRef]

W. Hubschmid, B. Hemmerling, and A. Stampanoni-Panariello, J. Opt. Soc. Am. B 12, 1850 (1995).
[CrossRef]

Kozlov, D. N.

D. N. Kozlov, B. Hemmerling, and A. Stampanoni-Panariello, Appl. Phys. B (to be published).

Lefebvre, M.

I. Ribet and M. Lefebvre, presented at the XIX European Coherent Anti-Stokes Raman Spectroscopy Workshop, Moscow, Russia, March 20–23, 2000.

Paul, P. H.

Rahn, L. A.

Ribet, I.

I. Ribet and M. Lefebvre, presented at the XIX European Coherent Anti-Stokes Raman Spectroscopy Workshop, Moscow, Russia, March 20–23, 2000.

Schlamp, S.

Sobota, Th. H.

Stampanoni-Panariello, A.

A. Stampanoni-Panariello, B. Hemmerling, and W. Hubschmid, Appl. Phys. B 67, 125 (1998).
[CrossRef]

W. Hubschmid, B. Hemmerling, and A. Stampanoni-Panariello, J. Opt. Soc. Am. B 12, 1850 (1995).
[CrossRef]

D. N. Kozlov, B. Hemmerling, and A. Stampanoni-Panariello, Appl. Phys. B (to be published).

Walker, D. J. W.

Williams, R. B.

Williams, S.

Zare, R. N.

Appl. Opt.

Appl. Phys. B

A. Stampanoni-Panariello, B. Hemmerling, and W. Hubschmid, Appl. Phys. B 67, 125 (1998).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Lett.

Other

I. Ribet and M. Lefebvre, presented at the XIX European Coherent Anti-Stokes Raman Spectroscopy Workshop, Moscow, Russia, March 20–23, 2000.

D. N. Kozlov, B. Hemmerling, and A. Stampanoni-Panariello, Appl. Phys. B (to be published).

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Figures (3)

Fig. 1
Fig. 1

Schematic of the experimental setup: BS, beam splitter (50%); L1–L3, lenses f=1000 mm; DL, delay line; M, mirror; PMT, photomultiplier tube; DI, digitizer; S1, S2, signal beams; R1, R2, read-out beams.

Fig. 2
Fig. 2

Temporal evolution of the LIG scattering efficiency a, at room temperature T=295 K without flow and b, at Tth=380 K and a flow rate of 80 L/min. In both cases the bottom trace shows the residual of measurement and the best fit.

Fig. 3
Fig. 3

Normalized histogram of 300 simultaneous single-shot measurements of a, temperature and b, flow velocity in a submerged air jet at room temperature T=295 K and a flow rate of 80 L/min.

Equations (3)

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Δρtsin Ωt exp-t/τa.
vS=γMRT,
PSt1+m cosΩmt+Ψsin2 Ωt exp-2t/τa,

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