Fresnel lens

  1. lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
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How To Use Fresnel lens In A Sentence

  • The diameter of the hole is equal to the diameter of the largest complete circle on your fresnel lens.
  • The third chapter discussed how to perform a fresnel lens with the principle of fresnel zone diffraction.
  • The results of computer simulation can provide theoretical basis for the fabrication of Fresnel lens.
  • Various loss factors which may occur when the Fresnel lens is used to improve the utilization of solar energy are analyzed experimentally.
  • In 2005 they used high-power ‘Luxeon’ LEDs, i.e. non-coherent sources, combined with a large Fresnel lens to collimate the non-directional light emitted, and managed two-way audio communications over a distance of 160 km (100 miles!) between mountaintops in Tasmania. Long-range optical communication… how much would you pay? « Skulls in the Stars
  • A method of making the Fresnel lens is described.
  • The main component of this furnace is a large Fresnel lens. High Temperature Solar Furnace « Isegoria
  • I checked all around, studied up on the differences in fresnel lenses and finally decided on the F550 lens from
  • The contents as follow:1. Based on the actual parameter of laser direct writing system in our laboratory, designed a Fresnel lens.
  • Refinements in lenses (e. g. , the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity.
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