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Haidinger fringes

American  
[hahy-ding-er] / ˈhaɪ dɪŋ ər /

plural noun

Optics.
  1. interference fringes produced by light passing through thick glass plates at near-normal incidence.


Etymology

Origin of Haidinger fringes

Named after Wilhelm Karl von Haidinger (1795–1871), Austrian mineralogist