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Coherence (physics)

In physics, coherence expresses the potential for two waves to interfere. Two monochromatic beams from a single source always interfere.: 286 Even for wave sources that are not strictly monochromatic, they may still be partly coherent.

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Overview

Qualitative concept

Mathematical definition

Examples of wave-like states

Temporal coherence

Spatial coherence

Spectral coherence of short pulses

Polarization and coherence

Quantum coherence

Applications

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Map overview Semantic statistics

Coherence (physics)

Nodes96
Edges95
Triples7
Avg. degree1.98
Density0.020833
Components1

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Important terminology Word statistics

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Important terminology

coherence wave time waves light two displaystyle quantum coherent phase interference temporal intensity spatial length different optics correlation figure tau

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
holographyinstance ofThe property of coherence is the basis for commercial applications0.80text
the Sagnac gyroscopeinstance ofThe property of coherence is the basis for commercial applications0.80text
radio antenna arraysinstance ofThe property of coherence is the basis for commercial applications0.80text
optical coherence tomographyinstance ofThe property of coherence is the basis for commercial applications0.80text
telescope interferometersinstance ofThe property of coherence is the basis for commercial applications0.80text
the Michelson interferometer or Machinstance oftemporal coherence is measured in an interferometer0.80text
a light-bulb τ cinstance ofSince for a white-light source0.80text

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