Statistics – Applications
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006elsn.conf...11b&link_type=abstract
In: 9th International Conference on Electromagnetic and Light Scattering by Nonspherical Particles: Theory, Measurements, and Ap
Statistics
Applications
Photopolarimetry, Dust, Surfaces
Scientific paper
We present first results of our photometric and polarimetric laboratory measurements of particulate surfaces with different degree of compressing and particles in air-stream at a phase angle range, from 7 to 150 degrees. Two samples of natural materials, feldspar and red clay, with different albedo and particle sizes were measured in blue light (lambda=44 micron) using two different instruments: Kharkov's large-phase-angle photopolarimeter (for surfaces) and Amsterdam's instrument (for particles in air-stream). Our preliminary data show that the maximum of positive polarization which is observed for particles surfaces at large phase angles is mainly due to contribution of single particle scattering. Increasing of the polarization degree at large phase angles with increasing compression is observed.
Bondarenko Sergey
Munoz Olga
Shkuratov Yu.
Videen Gorden
Volten Hester
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