In Physics, What Is Coherence Length?

In physics, the coherence length refers to the distance that coherent waves (such as electromagnetic waves) maintain a certain degree of coherence to propagate. The larger the coherence length and the longer the coherence time, the better the time coherence of the light source. [1]

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In a radio-band system, the coherence length can be roughly calculated using the following formula [1]
Multimode
  • Coherence time
  • Superconducting coherence length
  • Spatial coherence

IN OTHER LANGUAGES

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