interference

A general property of waves in which coincident waves combine to form a resultant pattern depending on the sign (positive or negative) and amplitude of the component waves. Can be constructive or destructive. Diffraction patterns are caused by interference.

See also: diffraction, polarized light, polarized light microscopy, interference colors, interference contrast, interferometry, interference filter

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Principles of Interference

The addition or subtraction of light waves to produce constructive or destructive results.