TERMIUM Plus®

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BIRREFRINGENCIA [1 record]

Record 1 2016-02-25

English

Subject field(s)
  • Optics
  • Computer Graphics
  • Mineralogy
  • Plastic Materials
DEF

The refraction of light (as in most crystals) in two slightly different directions to form two rays.

CONT

If a clear injection-molded part is placed between two polarizing filters, one of which is rotated, a characteristic series of colored bands appears primarily related to orientation stress in the part. This phenomenon is called birefringence.

French

Domaine(s)
  • Optique
  • Infographie
  • Minéralogie
  • Matières plastiques
DEF

Propriété qu'ont certains corps transparents de diviser en deux le rayon lumineux qui les pénètre.

CONT

Biréfringence. Les polymères orientés ont des indices de réfraction différents dans les directions principales d'orientation.

Spanish

Campo(s) temático(s)
  • Óptica
  • Gráficos de computadora
  • Mineralogía
  • Materiales plásticos
DEF

Propiedad de los cristales que producen una refracción doble: cada rayo incidente da dos rayos refractados en la cara opuesta del cristal y una imagen vista a través de éste se traduce por dos, más o menos desplazadas, una respecto a la otra.

CONT

La birrefringencia, también conocida como doble refracción, se observa cuando una radiación luminosa incide sobre un medio no isótropo, la onda se descompone en dos distintas que se propagan en diferentes direcciones. [...] Este efecto se puede observar en la calcita o espato de Islandia.

CONT

Es notable la birrefringencia del espato de Islandia.

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