coherent light

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co`her´ent light

(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.

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coherence
coherent
hologram
holography
laser

optical device
optical maser
optics
photocoagulator

Getting a beam of coherent light out of a conventional laser generally requires a significant input of energy.

Lasing turned upside down by Science News

Similar conditions prevail in a laser, where photons travel in a coordinated way, generating a coherent light beam.

Physic's 'Holy Grail' finally captured by Wu, C. / Science News

The key idea behind Wilson's method falls into the same general camp as Gordon's in that both groups employ coherent light to direct the outcome of a reaction.

Dances with molecules: controlling chemical reactions with laser light by Lipkin, Richard / Science News

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