Laboratory measurements and T-matrix calculations of the scattering matrix of rutile particles in water |
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Authors: | Volten H Jalava J P Lumme K de Haan J F Vassen W Hovenier J W |
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Affiliation: | Department of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands. hester@nat.vu.nl |
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Abstract: | We present experimentally determined scattering matrix elements of birefringent rutile particles in water as a function of the scattering angle for a wavelength of 633 nm (in air). These elements are compared with the results of T-matrix calculations for prolate spheroids. For the diagonal matrix elements the results of the T-matrix calculations are in good agreement with those of the measurements. A good fit for the whole matrix, including the off-diagonal elements, is obtained when we compensate for the birefringence of the rutile particles by performing the computations for spheroids with a slightly larger length/width ratio than measured. |
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