Optical rotation/optical activity is a phenomenon of rotation of plane-polarized light as it travels through chiral media, where the chiral media may be the chiral molecules or crystals.

Organic semiconductors ... enantiomer helicenes in circularly polarized light-detecting organic semiconductor devices. Patterning techniques available for solution-processable organic ...

Light corn syrup is used to rotate the plane of polarized light on the stage of an overhead projector. A polarizing filter allows only those photons with electric fields oscillating in a single plane ...