Is it really ture that Angle of Polarization just gives us information on the orientation of the object in view?

[zhaodale]

It has been pointed out that the degree of polarization (DoLP for
short )can be represented by the surface's refraction of index, DoLP =
f(n,k) where n is the real part of complex refraction of index and k
is the image part of complex refraction of index, so the degree can be
used to identify the material.

The angle of polarization (Sita for short) is difficult to be
represented as f'(n,k), but in my option it is also affected by the
surface's refraction of index, as Sita=0.5*arctan(s2/s1) and DoLP =
sqrt(s2^2+s1^2)/s0. It is also can be used to identify the material,
although it is not as important as DoLP.

Is my option right?

Is there someone can give the relation among Sita, n and k.

Thank you.

My research interest is polarimetric and spectral imagery processing
(fusion and recognition), which is been used on computer vision,
remote sensing, biometrics and so on.