Wavefronts
= Wavefronts
{c}
Online text: https://www.rp-photonics.com/wavefronts.html
Cited passages: Rüdiger Paschotta, RP Photonics Encyclopedia, Wavefronts: What are Wavefronts? and Various Details; Rüdiger Paschotta, Wavefronts: Various Details, anisotropic propagation.