Concept information
Terme préférentiel
coherence length
Définition(s)
- In physics, coherence length is the propagation distance over which a coherent wave (e.g. an electromagnetic wave) maintains a specified degree of coherence. Wave interference is strong when the paths taken by all of the interfering waves differ by less than the coherence length. A wave with a longer coherence length is closer to a perfect sinusoidal wave. Coherence length is important in holography and telecommunications engineering. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Coherence_length)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-L4KZ3K0L-4
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