Magnetic-field effects on coherent backscattering of light in case of Mie spheres

Magneto-optical Faraday rotation destroys the coherent backscattering enhancement of elastically multiple scattered light. In addition, Faraday rotation has been predicted, especially for Mie scattering, to cause a shift of the coherent backscattering cone off the exact backscattering direction in c...

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Veröffentlicht in:Europhysics letters 2000-12, Vol.52 (6), p.620-626
Hauptverfasser: Lenke, R, Lehner, R, Maret, G
Format: Artikel
Sprache:eng
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Zusammenfassung:Magneto-optical Faraday rotation destroys the coherent backscattering enhancement of elastically multiple scattered light. In addition, Faraday rotation has been predicted, especially for Mie scattering, to cause a shift of the coherent backscattering cone off the exact backscattering direction in case of circular polarized light, or a twin peak in case of linear polarization (see Lenke R., Maret G. Eur. Phys. J. B 172000171). In this letter we report the first experimental observations of these predictions. Moreover, we have observed an unexpected transversal asymmetry in the backscattered intensity, i.e. an asymmetric photon flux perpendicular to the external magnetic field and perpendicular to the direction of the incident light.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2000-00483-y