fresnel lens

Noun

Meaning

See under Lens.

Source: Webster's dictionary

Synonyms

grating convex lens hologram achromatic lens diffraction grating diverging lens concave lens beam splitter axicon Fresnel rhomb round lens circular lens focusing lens fresnel lenses aplanatic lens
Show all synonyms

Hypernyms

lens lense lens system

Examples

A Fresnel lens can be made much thinner than a comparable conventional lens, in some cases taking the form of a flat sheet. Source: Internet

Close-up view of a flat Fresnel lens A Fresnel lens has its optical surface broken up into narrow rings, allowing the lens to be much thinner and lighter than conventional lenses. Source: Internet

In 2004, Benford proposed that the harmful effects of global warming could be reduced by the construction of a rotating Fresnel lens 1,000 kilometres across, floating in space at the Lagrangian point L1. Source: Internet

A Phase Fresnel lens uses diffraction to help cut down chromatic aberration, which is where the edges of objects have an odd color fringing, an image flaw most common in high-contrast edges. Source: Internet

The power of a Phase Fresnel lens in a revolutionary 300mm. Source: Internet

The first Fresnel lens was used in 1823 in the Cordouan lighthouse at the mouth of the Gironde estuary ; its light could be seen from more than convert out. Source: Internet

Close letter words and terms

Fresnel equation fresnel lamp Fresnel lantern fresnel lenses Fresnel number Fresnel reflection