Ma•lus'' law'

Pronunciation: (mu-lOOs'; Fr. ma-lys'), [key] Optics.
the law stating that the intensity of a beam of plane-polarized light after passing through a rotatable polarizer varies as the square of the cosine of the angle through which the polarizer is rotated from the position that gives maximum intensity. Also called law of Malus, Malus' co'sine-squared law" Pronunciation: (kō'sīn skwârd"). [key]

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.


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