Source: wikibot/faraday-rotator
= Faraday rotator
{wiki=Faraday_rotator}
A Faraday rotator is an optical device that utilizes the Faraday effect to rotate the polarization plane of light passing through it. The Faraday effect is a magneto-optical phenomenon observed in certain materials, where the application of a magnetic field alters the polarization state of light.