Abstract

We report the development of ultraviolet filtered Rayleigh scattering as a diagnostic tool for measurements of gas properties. A frequency-tripled narrow-linewidth Ti:sapphire laser illuminates a sample, and Rayleigh scattered light is imaged through a mercury-vapor absorption filter. Working in the ultraviolet improves the signal-to-noise ratio compared with that previously obtained in the visible as the result of an enhanced scattering cross section as well as the nearly ideal properties of the mercury filter. Tuning the laser through the absorption notch of the filter is a means of probing the scattering line shape, which contains temperature information. Temperature measurements of air are shown to have uncertainties of less than 3%.

© 1999 Optical Society of America

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  1. J. N. Forkey, “Development and demonstration of filtered Rayleigh scattering—a laser based flow diagnostic for planar measurements of velocity, temperature, and pressure,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1996).
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  5. P. Andresen and P. Golz, Appl. Opt. 35, 6054 (1996).
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  8. N. Finkelstein, “An ultraviolet laser source and spectral filters for non-intrusive laser based diagnostics,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1997).
  9. G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).
  10. D. R. Bates, Planet. Space Sci. 32, 785 (1984).

1996

D. Hoffman, K. U. Munch, and A. Leipertz, Opt. Lett. 21, 525 (1996).

P. Andresen and P. Golz, Appl. Opt. 35, 6054 (1996).

1994

E. B. Cummings, Opt. Lett. 19, 1361 (1994).

G. S. Elliot, M. Samimy, and S. A. Arnette, Exp. Fluids 18, 107 (1994).

1993

1986

1984

D. R. Bates, Planet. Space Sci. 32, 785 (1984).

1974

G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).

Andresen, P.

Arnette, S. A.

G. S. Elliot, M. Samimy, and S. A. Arnette, Exp. Fluids 18, 107 (1994).

Bates, D. R.

D. R. Bates, Planet. Space Sci. 32, 785 (1984).

Blooom, S. H.

Boley, C. D.

G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).

Choi, K.

Cummings, E. B.

Desai, R. C.

G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).

Elliot, G. S.

G. S. Elliot, M. Samimy, and S. A. Arnette, Exp. Fluids 18, 107 (1994).

Finkelstein, N.

N. Finkelstein, “An ultraviolet laser source and spectral filters for non-intrusive laser based diagnostics,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1997).

Forkey, J. N.

J. N. Forkey, “Development and demonstration of filtered Rayleigh scattering—a laser based flow diagnostic for planar measurements of velocity, temperature, and pressure,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1996).

Golz, P.

Hoffman, D.

D. Hoffman, K. U. Munch, and A. Leipertz, Opt. Lett. 21, 525 (1996).

Korevaar, E.

Kremer, R.

Lee, S. A.

Leipertz, A.

D. Hoffman, K. U. Munch, and A. Leipertz, Opt. Lett. 21, 525 (1996).

Munch, K. U.

D. Hoffman, K. U. Munch, and A. Leipertz, Opt. Lett. 21, 525 (1996).

Samimy, M.

G. S. Elliot, M. Samimy, and S. A. Arnette, Exp. Fluids 18, 107 (1994).

Searcy, P. A.

She, C. Y.

Shimizu, H.

Tenti, G.

G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).

Appl. Opt.

Can. J. Phys.

G. Tenti, C. D. Boley, and R. C. Desai, Can. J. Phys. 52, 285 (1974).

Exp. Fluids

G. S. Elliot, M. Samimy, and S. A. Arnette, Exp. Fluids 18, 107 (1994).

Opt. Lett.

D. Hoffman, K. U. Munch, and A. Leipertz, Opt. Lett. 21, 525 (1996).

Opt. Lett.

Planet. Space Sci.

D. R. Bates, Planet. Space Sci. 32, 785 (1984).

Other

J. N. Forkey, “Development and demonstration of filtered Rayleigh scattering—a laser based flow diagnostic for planar measurements of velocity, temperature, and pressure,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1996).

N. Finkelstein, “An ultraviolet laser source and spectral filters for non-intrusive laser based diagnostics,” Ph.D. dissertation (Princeton University, Princeton, N.J., 1997).

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