Photonic crystals, also known as photonic lattices, are materials with periodic variations in their optical properties that can be used to manipulate light in various ways. In a recent study, researchers have studied the effects of photonic crystals on light’s polarization - the direction of the electric field of the light wave. The findings show that photonic crystals can be used to control the light’s polarization and create new optical effects, such as polarization-dependent focusing and angular momentum transfer. The results of this study have the potential to revolutionize the way optical devices are designed and used.

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source: Phys.org