= Spin angular momentum of light
{wiki=Spin_angular_momentum_of_light}
Spin angular momentum of light refers to a property associated with the polarization of light waves. In quantum mechanics, photons, the quantum particles of light, possess both orbital and spin angular momentum. 1. **Definition**: - The spin angular momentum of light is fundamentally related to the intrinsic angular momentum of the photon, which arises from its polarization state. While photons are massless particles, they still have spin, which can take on discrete values.
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