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Light scattering by a liquid-gas helium spray*

Published online by Cambridge University Press:  15 May 2001

Y. Ladam ,
P.-E. Wolf ,
P. Thibault  and
L. Puech
Y. Ladam
Affiliation:
Centre de Recherches sur les Très Basses Températures, Laboratoire associé à l'Université Joseph Fourier, CNRS, BP 166, 38042 Grenoble Cedex 9, France
P.-E. Wolf
Affiliation:
Centre de Recherches sur les Très Basses Températures, Laboratoire associé à l'Université Joseph Fourier, CNRS, BP 166, 38042 Grenoble Cedex 9, France
P. Thibault
Affiliation:
Centre de Recherches sur les Très Basses Températures, Laboratoire associé à l'Université Joseph Fourier, CNRS, BP 166, 38042 Grenoble Cedex 9, France
L. Puech*
Affiliation:
Centre de Recherches sur les Très Basses Températures, Laboratoire associé à l'Université Joseph Fourier, CNRS, BP 166, 38042 Grenoble Cedex 9, France
*
Ipuech@labs.polycnrs-gre.fr
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Abstract

Light scattering by liquid helium droplets or gaseous helium bubbles is strongly forward. Thishas two direct experimental consequences: rare scatterers are very bright in a narrow ( $\ll 5^{\circ}$ )angular region in the forward direction; and even in the presence of multiple scattering the intensitycollected at large angles is linear in the concentration of scatterers. These properties are explained,and the second one is illustrated with a liquid-gas helium spray.

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Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 14 , Issue 2 , May 2001 , pp. 137 - 141
Copyright
© EDP Sciences, 2001

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Footnotes

*

This paper has been presented at “Sixièmesjournées de cryogénie et supraconductivité”, 16-19 May 2000, Aussois.

References

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Y. Ladam, Thesis at Université Joseph Fourier, March 2000.
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H.C. Van de Hulst, Reviews in Modern Astronomy, edited by R.E. Schielicke, 1996, Vol. 9.
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