polarizer

Noun

polarizer (plural polarizers)

1. One who polarizes; one who divides a group or community into two extremes.
   • a polarizer of opinions
2. Any device that produces polarized light.
   • When the polarizers are aligned in the same direction, they block the same state of polarization, i.e. they both block horizontally polarized light, and both let the vertically polarized light through. The second polarizer therefore has no effect on the light. When the polarizers are aligned...2013 July 16, skullsinthestars, “Simple fun with polarizers!”, in Skulls in the Stars, archived from the original on 05 Apr 2022