fresnel

• Имя собственное, относящееся к французскому физику, известному своими работами по поляризованному свету и изобретению линзы Френеля.

A proper noun referring to a French physicist known for his work on polarized light and the invention of the Fresnel lens.

неисчисляемое · имя собственное

1. French physicistC2formalscientific

   Augustin-Jean Fresnel (1788-1827), a French civil engineer and physicist who made significant contributions to the theory of wave optics and invented the Fresnel lens.

   Французский физик

   • Fresnel's work on light diffraction laid the foundation for modern optics.
   • The Fresnel lens revolutionized lighthouse illumination in the 19th century.
   • Fresnel's theories on polarized light were groundbreaking for his time.

2. Fresnel lensC1formalscientific

   A type of compact lens originally developed by Augustin-Jean Fresnel for use in lighthouses, consisting of a series of concentric grooves that reduce the amount of material needed while maintaining the focusing power.

   Линза Френеля

   • The lighthouse was equipped with a powerful Fresnel lens.
   • Modern overhead projectors often use a Fresnel lens to focus light.
   • Fresnel lenses are also used in solar energy concentrators.