Definitions
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physics, Optics) Light in which the phases of all electromagnetic waves at each point on a line normal to the direction of the the beam are identical. Coherent light is usually monochromatic, and the most common source of such light for practical uses is from a laser.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics Light of a
uniform wavelength andphase ; as used inlasers
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