Light in a crystal

The input is H. The two polarization eigenstates acquire different phases.

Polarization 1Polarization 2Sum E

Input: HOutputaxis 1axis 2

Input: ν_eMeasurementν_vac,1ν_vac,2

α = 33.7° · L = 2 λ₀

Light polarizations → mass states · intensity fractions → probabilities

Press “Light → neutrino”: the physical meaning of the same construction changes.