Fresnel lens

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Fresnel lens
Prisms that make up a
Fresnel lens bend and
magnify light rays, creating
a single, concentrated beam
of light.

Fres·nel lens

A thin optical lens consisting of concentric rings of segmental lenses and having a short focal length, used primarily in lighthouses, spotlights, overhead projectors, and the headlights of motor vehicles.

[After Augustin Jean Fresnel.]

Fresnel lens

(General Physics) a lens consisting of a number of smaller lenses arranged to give a flat surface of short focal length
[C20: named after Augustin Jean Fresnel (1788–1827), French physicist]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Fresnel lens - lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal lengthFresnel lens - lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
headlamp, headlight - a powerful light with reflector; attached to the front of an automobile or locomotive
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
searchlight - a light source with reflectors that projects a beam of light in a particular direction
References in periodicals archive ?
Tenders are invited for Concentrated Linear Fresnel Reflector (Clfr)
Having the same radiating aperture, the directivity of a Fresnel reflector is lower than a parabolic reflector.
Number of concentrating technologies is present nowadays but the most common and efficient are the parabolic trough, the concentrating linear Fresnel reflector, the Sterling dish and the solar power tower.
Methodology for Sizing and Optimization of a Linear Fresnel Reflector
The purchase will present a concentrated solar power technology known as compact linear Fresnel reflector (CLFR) from Areva Solar Inc.
TEP's Sundt Solar Boost Project is to utilise AREVA Solar's Compact Linear Fresnel Reflector (CLFR) solar steam generators to produce up to five megawatts (MW) of power during peak demand periods, without added emissions.
Compact Linear Fresnel Reflector (CLFR) use flat reflectors (instead of parabolic mirrors), that move on a single axis and Fresnel lenses to concentrate the solar thermal energy in collectors (figure 4, right).
Tenders are invited for Retender For Supply And Installation Of Concentrated Fresnel Reflector
Assess the emerging trends in concentrating solar power technologies - including parabolic trough solar thermal power plants, solar tower power plants, parabolic dish solar power plants, Fresnel reflector solar thermal power plants, and energy storage.
Tenders are invited for Supply And Installation Of Concentrated Fresnel Reflector