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- Glan–Foucault_prism abstract "A Glan–Foucault prism (also called a Glan–air prism) is a type of prism which is used as a polarizer. It is similar in construction to a Glan–Thompson prism, except that two right-angled calcite prisms are spaced with an air-gap instead of being cemented together. Total internal reflection of p-polarized light at the air gap means that only s-polarized light is transmitted straight through the prism.Compared to the Glan–Thompson prism, the Glan–Foucault has a narrower acceptance angle over which it will work, but because it uses an air-gap rather than cement, much higher irradiances can be used without damage. The prism can thus be used with laser beams. The prism is also shorter (for a given usable aperture) than the Glan–Thompson design, and the deflection angle of the rejected beam can be made close to 90°, which is sometimes useful. Glan–Foucault prisms are not typically used as polarizing beamsplitters because while the transmitted beam is 100% polarized, the reflected beam is not.The Glan–Taylor prism is very similar, except that the crystal axes and transmitted polarization direction are orthogonal to the Glan–Foucault design. This yields higher transmission, and better polarization of the reflected light. Calcite Glan–Foucault prisms are now rarely used, having been mostly replaced by Glan–Taylor polarizers and other more recent designs.Yttrium orthovanadate (YVO4) prisms based on the Glan–Foucault design have superior polarization of the reflected beam and higher damage threshold, compared with calcite Glan–Foucault and Glan–Taylor prisms. YVO4 prisms are more expensive, however, and can accept beams over a very limited range of angles of incidence.".
- Glan–Foucault_prism thumbnail Glan-foucault.png?width=300.
- Glan–Foucault_prism wikiPageID "3052983".
- Glan–Foucault_prism wikiPageLength "3057".
- Glan–Foucault_prism wikiPageOutDegree "15".
- Glan–Foucault_prism wikiPageRevisionID "660977615".
- Glan–Foucault_prism wikiPageWikiLink Calcite.
- Glan–Foucault_prism wikiPageWikiLink Category:Polarization_(waves).
- Glan–Foucault_prism wikiPageWikiLink Category:Prisms.
- Glan–Foucault_prism wikiPageWikiLink Glan–Taylor_prism.
- Glan–Foucault_prism wikiPageWikiLink Glan–Thompson_prism.
- Glan–Foucault_prism wikiPageWikiLink Irradiance.
- Glan–Foucault_prism wikiPageWikiLink Laser.
- Glan–Foucault_prism wikiPageWikiLink Polarization_(waves).
- Glan–Foucault_prism wikiPageWikiLink Polarizer.
- Glan–Foucault_prism wikiPageWikiLink Prism.
- Glan–Foucault_prism wikiPageWikiLink Prism_(optics).
- Glan–Foucault_prism wikiPageWikiLink Total_internal_reflection.
- Glan–Foucault_prism wikiPageWikiLink Yttrium_orthovanadate.
- Glan–Foucault_prism wikiPageWikiLink File:Glan-foucault.png.
- Glan–Foucault_prism wikiPageWikiLinkText "Glan–Foucault prism".
- Glan–Foucault_prism wikiPageWikiLinkText "Glan–Foucault".
- Glan–Foucault_prism hasPhotoCollection Glan–Foucault_prism.
- Glan–Foucault_prism wikiPageUsesTemplate Template:Reflist.
- Glan–Foucault_prism subject Category:Polarization_(waves).
- Glan–Foucault_prism subject Category:Prisms.
- Glan–Foucault_prism comment "A Glan–Foucault prism (also called a Glan–air prism) is a type of prism which is used as a polarizer. It is similar in construction to a Glan–Thompson prism, except that two right-angled calcite prisms are spaced with an air-gap instead of being cemented together.".
- Glan–Foucault_prism label "Glan–Foucault prism".
- Glan–Foucault_prism sameAs m.08nc7z.
- Glan–Foucault_prism sameAs Glan-Foucaultova_prizma.
- Glan–Foucault_prism sameAs Q5566664.
- Glan–Foucault_prism sameAs Q5566664.
- Glan–Foucault_prism wasDerivedFrom Glan–Foucault_prism?oldid=660977615.
- Glan–Foucault_prism depiction Glan-foucault.png.
- Glan–Foucault_prism isPrimaryTopicOf Glan–Foucault_prism.