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coherent light

American  

noun

  1. light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A simple assumption would be that the incoming coherent light performs work, while the outgoing light, having lost some coherence, represents heat.

From Science Daily • Dec. 23, 2025

His work centers on miniaturizing mode-lock lasers -- a unique laser that emits a train of ultrashort, coherent light pulses in femtosecond intervals, which is an astonishing quadrillionth of a second.

From Science Daily • Nov. 9, 2023

Single-wavelength coherent light from a laser produces a well-defined interference pattern on a piece of film.

From Textbooks • Aug. 12, 2015

The answer to this question is that two slits provide two coherent light sources that then interfere constructively or destructively.

From Textbooks • Aug. 12, 2015

Then, at the proper moment, a beam of intense coherent light shot out of the tangent that formed the tail of the Q-tube.

From The Foreign Hand Tie by Garrett, Randall