Definition of coherence length

1) how long it is before waves from a light source get out of step. The less wide the spread of radiation leaving the source, the longer the coherence length.

Related Terms & Definitions

Here are some related terms and definitions we found for this term.

  1. length contraction
  2. Coefficient of lineal thermal expansion
  3. spatial coherence
  4. temporal coherence
  5. coma
  6. drift region

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