📜 Theorem, law or theory

Wave theory of light and Huygens' principle

Teoría ondulatoria de la luz y principio de Huygens

Date
1678-1690 · confidence high
Place
The Hague, Netherlands
Credited to
Christiaan Huygens
People
👤 Christiaan Huygens1629–1695
Field
Communication

What was discovered

Every point on a wavefront acts as a source of secondary wavelets whose envelope forms the new wavefront; from this Huygens deduces reflection, refraction and the double refraction of Iceland spar. It is the first complete wave theory of light.

'Traité de la lumière', presented in 1678 and published in 1690; eclipsed by Newton's corpuscular theory until 1801.

What it led to

  • Young and Fresnel's wave optics
  • Huygens-Fresnel principle
  • Explanation of birefringence
  • Wave theory in general
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📄 Original publication

Traité de la lumière : Où sont expliquées les causes de ce qui lui arrive dans la reflexion, & dans la refraction et particulièrement dans l'étrange réfraction du cristal d'IslandeChristiaan Huygens · 1690

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