TERMIUM Plus®

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Record 1 2003-01-31

English

Subject field(s)
  • Photoelectricity and Electron Optics
  • Semiconductors (Electronics)
  • Electronic Devices
DEF

Devices that generate a signal when light is incident upon them. The signal may be one observed visually in reflected or transmitted light, or it may be electrical.

CONT

The eyes of animals and the leaves of plants, for example, perform this function. ... One of the most widely used optical detectors is photographic film. ... In many cases, fast detector response is needed to detect rapid changes in incident light; furthermore, quite often an electrical output signal is desired. In such cases, the optimum detector is one based on either external or internal photoemission.

French

Domaine(s)
  • Photo-électricité et optique électronique
  • Semi-conducteurs (Électronique)
  • Dispositifs électroniques
CONT

[On distinguera] entre les détecteurs optiques, ou détecteurs de flux, qui ne font qu'étendre aux ondes micrométriques le rôle des détecteurs classiques [...] et les surfaces photosensibles, ou détecteurs d'images [...]

Spanish

Campo(s) temático(s)
  • Fotoelectricidad y óptica electrónica
  • Semiconductores (Electrónica)
  • Dispositivos electrónicos
DEF

Dispositivo que convierte las señales luminosas procedentes de fibras ópticas, en señales eléctricas que es posible amplificar y/o decodificar más tarde para permitir la reproducción de la señal original.

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