TERMIUM Plus®

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COLD MIRROR [2 records]

Record 1 1999-02-25

English

Subject field(s)
  • Photography
  • Optical Instruments
DEF

Concave reflector for tungsten lamp having a multiple surface coating which reflects visible light but transmits the infra-red radiation to the outer walls of the reflector. Approximately two thirds of the heat is thus removed from the concentrated light beam.

French

Domaine(s)
  • Photographie
  • Instruments d'optique
DEF

Miroir réfléchissant exclusivement la partie visible du spectre et dispersant l'infrarouge.

CONT

On utilise le miroir froid dans les appareils de projection pour éviter un échauffement excessif du film ou de la diapositive. Certaines lampes de projection à halogène sont pourvues d'un miroir froid [...]

Spanish

Save record 1

Record 2 1987-04-22

English

Subject field(s)
  • Reprography

French

Domaine(s)
  • Reprographie

Spanish

Save record 2

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