TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PLANO-CONCAVE LENS [1 record]

Record 1 2017-12-01

English

Subject field(s)
  • Optics
  • Optical Instruments
CONT

Plano-concave lens is the most common item used for light projection and beam expansion. Coated with antireflective coatings, lenses are used in various optical systems, lasers and assemblies.

OBS

plano-concave: flat on one side and concave on the other.

French

Domaine(s)
  • Optique
  • Instruments d'optique
CONT

Le tracé des rayons lumineux à la figure ci-contre montre qu'une lentille plan-concave est divergente. À la première interface (plane), les rayons ne sont pas déviés; quand ils traversent la deuxième interface (concave), il y a réfraction et la lumière diverge comme si elle venait du point F.

Spanish

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