- medium birefringence
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среднее двупреломление
English-Russian dictionary of geology. 2011.
medium birefringence
Смотреть что такое "medium birefringence" в других словарях:
Birefringence — Displacement of light rays with perpendicular polarization through a birefringent material … Wikipedia
birefringence — noun /baɪrɪˈfrɪndʒəns/ the splitting of a ray of light into two parallel rays of perpendicular polarization by passage through an optically anisotropic medium Syn: double refraction … Wiktionary
crystalline birefringence — birefringence occurring in systems in which the bonds between molecules or ions have a regular asymmetrical arrangement; it is independent of the refractive index of the medium … Medical dictionary
form birefringence — birefringence produced by regular orientation of submicroscopic asymmetrical particles in a substance or object, differing in refractive index from the surrounding medium; it is the most common form occurring in organisms … Medical dictionary
positive birefringence — noun : birefringence of a medium (as quartz) that transmits the ordinary rays with greater speed than the extraordinary … Useful english dictionary
Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… … Wikipedia
Polarization — ( Brit. polarisation) is a property of waves that describes the orientation of their oscillations. For transverse waves, it describes the orientation of the oscillations in the plane perpendicular to the wave s direction of travel. Longitudinal… … Wikipedia
double refraction — Optics. the separation of a ray of light into two unequally refracted, plane polarized rays of orthogonal polarizations, occurring in crystals in which the velocity of light rays is not the same in all directions. Also called birefringence. [1870 … Universalium
protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… … Universalium
Luminiferous aether — The luminiferous aether: it was hypothesised that the Earth moves through a medium of aether that carries light In the late 19th century, luminiferous aether or ether, meaning light bearing aether, was the term used to describe a medium for the… … Wikipedia
Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… … Wikipedia
