Sentences with phrase «third polarizer»
Yet when you insert a third polarizer between the two, oriented diagonally, then some photons make it through.
https://www.scientificamerican.com/
An interesting effect happens if two polarizers are perpendicular and a third one is inserted between them on an angle (45 degrees is best): adding the third polarizer allows some light to get through, even though you might expect it to be an additional obstacle for the light.