Dr. Kevin B. Aptowicz
Assistant Professor of Physics
West Chester University
(homepage)
Unwrapping of TAOS patterns

This is an example Two-Dimensional Angular Optical Scattering (TAOS) pattern detected from a spherical particle. This is the raw data before it has been 'unwrapped'.
Here the data has been replotted as Polar Scattering Angle versus Azimuthal Scattering Angle. The vertical axis is the Polar Scattering Angle that ranges from 0 degrees to 180 degrees. The horizontal axis the the Azimuthal Scattering Angle that ranges from 0 degrees to 360 degrees.
Here the data has been replotted to show the scattering of the forward and backwards hemispheres.
All three of these plots are combined on a single page, as shown, for each particle detected.

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