TERMIUM Plus®

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FIGURE INTERFERENCE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2015-04-17

English

Subject field(s)
  • Mineralogy
OBS

For uniaxial crystals, the interference figure consists of two intersecting black bars - or, as they are called, isogyres - that form a cross ... This cross is concentric with a series of circles ... If white light is the illuminant, [the circles] represent circular distributions of the interference colors ..., the inner circles being marked by increasingly lower order colors.

French

Domaine(s)
  • Minéralogie
OBS

Dans le cas d'un cristal uniaxe, examiné dans la direction de l'axe optique, il se produit une figure d'interférence ressemblant à une croix noire avec des cercles colorés [...]

Spanish

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Record 2 2011-01-25

English

Subject field(s)
  • Mineralogy
CONT

Viewed with the microscope set up as a conoscope, the images of anisotropic crystals as seen with the orthoscope are supplanted by highly informative patterns of interference colors called "interference figures." These are formed by rays that traveled along different directions while within the crystal being viewed.

OBS

interference pattern: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
CONT

Quand un cristal anisotrope est examiné sous une lumière polarisée convergente, il se forme des «figures d'interférence» qui permettent de distinguer entre cristaux uniaxes et biaxes et d'observer la position de l'axe ou des axes optiques.

OBS

figure d'interférence : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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