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ACHROMATIC WEDGE PRISM [1 record]
Record 1 - internal organization data 2010-12-29
Record 1, English
Record 1, Subject field(s)
- Optical Instruments
- Photography
Record 1, Main entry term, English
- achromatic prism
1, record 1, English, achromatic%20prism
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- achromatic wedge prism 2, record 1, English, achromatic%20wedge%20prism
correct
- achromatic wedge 3, record 1, English, achromatic%20wedge
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A prism composed usually of two prisms of different transparent substances which have unequal dispersive powers, as two different kinds of glass, especially flint glass and crown glass, the difference of dispersive power being compensated by giving them different refracting angles, so that, when placed together so as to have opposite relative positions, a ray of light passed through them is refracted or bent into a new position, but is free from color. 1, record 1, English, - achromatic%20prism
Record number: 1, Textual support number: 1 CONT
Achromatic wedge prisms might be desirable since wedge prisms made of a single kind of glass may show some degree of chromatic aberration, i.e. rainbow fringes. 2, record 1, English, - achromatic%20prism
Record number: 1, Textual support number: 2 CONT
An achromatic wedge of 450 mg/cm2 ... placed at the intermediate image of the A1900 fragment separator increases the beam purity to 99%. 4, record 1, English, - achromatic%20prism
Record number: 1, Textual support number: 1 OBS
achromatic wedge: term used at Natural Resources Canada - Earth Sciences Sector. 5, record 1, English, - achromatic%20prism
Record 1, French
Record 1, Domaine(s)
- Instruments d'optique
- Photographie
Record 1, Main entry term, French
- prisme achromatique
1, record 1, French, prisme%20achromatique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Prisme achromatique. - [...] Il repose sur un support à hauteur variable. Les deux prismes, un crown, avec un angle de 15 degrés et 15 minutes, l'autre flint, avec l'angle de 8 degrés et 6 minutes, calculés pour les respectives qualités du verre utilisé, sont soutenus par une plaque horizontale et collés le long de deux petites colonnes tournantes sur leur axe. En utilisant les deux prismes séparément, on note que les images des objets se montrent séparées et colorées aux bords. Au contraire, en les utilisant en paires, à travers le système des deux prismes on observe encore la déviation, mais pas la coloration. 2, record 1, French, - prisme%20achromatique
Record number: 1, Textual support number: 1 OBS
prisme achromatique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 3, record 1, French, - prisme%20achromatique
Record 1, Spanish
Record 1, Textual support, Spanish
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