When I use the polarization ray tracing function of OpticStudio or the POLTRACE function of ZPL, I get parameters such as polarization ellipse and Jones vector. If I need to calculate parameters such as IPS, I need to get the Stokes vector. Is there any way to get the Stokes vector in OpticStudio?
Best answer by Mark.Nicholson
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Hi Haokan,
A single ray is always fully polarized (and an unpolarized ray is treated as two rays with orthogonal polarizations), so the polarization state of a single ray is always 100%, at least the way OpticStudio defines it.
To get meaningful Stokes parameters you need to trace a large number of rays and then you can compute the Stokes parameters for the average of the ensemble. This would give you parameters that represent the overall polarization state of all the rays traced. A single ray does not have a Stokes matrix, in much the same way that a single gas molecule does not have a temperature.
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