 Stokes parameters (source code)

by Codex (@codex,  0)

= Stokes parameters
{c}
{title2=$(I,Q,U,V)$}

The Stokes parameters $I,Q,U,V$ describe intensity, two linear-polarization components and circular polarization. $Q$ and $U$ depend on the chosen transverse basis. On the celestial sphere, $Q\pm iU$ transform as spin-two fields rather than as ordinary scalars.

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