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zone plate

Syllabification: zone plate

Definition of zone plate in English:

noun

A plate of glass marked out into concentric zones or rings alternately transparent and opaque, used like a lens to bring light to a focus.
Example sentences
  • Since a zone plate diffracts light, a zone plate image is closely related to a pinhole image.
  • Hudec uses a lensless camera called a zone plate pinhole, which allows her to render life the way she sees it - fleeting, sensual and fragile.
  • Other alternatives include total-external-reflection-based components such as polycapillary optics or diffraction-based Fresnel zone plates.

Definition of zone plate in:

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