coherent light

coherent light
coherent light co*her"ent light, n. (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.

Note: The constant phase relations of coherent light allows the achievement of certain effects, such as holography, not possible with noncoherent light. The low degree of angular dispersion of coherent light beams also allows the use of such light in laser ranging, over distances as far as from the earth to the moon. [PJC]


The Collaborative International Dictionary of English. 2000.

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  • coherent light — koherentinė šviesa statusas T sritis fizika atitikmenys: angl. coherent light vok. kohärentes Licht, n rus. когерентный свет, m pranc. lumière cohérente, f …   Fizikos terminų žodynas

  • coherent light — light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time. * * * …   Universalium

  • coherent light — light of a single wavelength, phase, and frequency that travels in intense, nearly perfect, parallel rays without appreciable divergence …   Medical dictionary

  • coherent light — light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time …   Useful english dictionary

  • coherent light speckle structure — koherentinės šviesos raibumas statusas T sritis radioelektronika atitikmenys: angl. coherent light speckle structure vok. Fleckenstruktur des kohärenten Lichtes, f rus. пятнистая структура когерентного оптического излучения, f; спеклструктура… …   Radioelektronikos terminų žodynas

  • coherent light holography — koherentinė holografija statusas T sritis radioelektronika atitikmenys: angl. coherent light holography vok. Kohärentlichtholographie, f rus. голография в когерентном свете, f pranc. holographie par lumière cohérente, f …   Radioelektronikos terminų žodynas

  • coherent light flux — koherentinės šviesos srautas statusas T sritis radioelektronika atitikmenys: angl. coherent light flux vok. kohärenter Lichtfluß, m rus. поток когерентного света, m pranc. flux de lumière cohérente, m …   Radioelektronikos terminų žodynas

  • coherent light — noun Light of a uniform wavelength and phase; as used in lasers …   Wiktionary

  • Linac Coherent Light Source — Die Linac Coherent Light Source (LCLS) ist eine Röntgenlaserquelle am SLAC in Stanford, USA. Ihre Röntgenpulse sind 80 Femtosekunden lang und haben Wellenlängen zwischen 0,15 und 15 Nanometern. Sie können beispielsweise genutzt werden, um atomare …   Deutsch Wikipedia

  • spatially coherent light — erdviškai koherentinė šviesa statusas T sritis radioelektronika atitikmenys: angl. spatially coherent light vok. raumkohärentes Licht, n rus. пространственно когерентный свет, m pranc. lumière cohérente en espace, f …   Radioelektronikos terminų žodynas

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