gradient index
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Gradient-index optics — is the branch of optics covering optical effects produced by a gradual variation of the refractive index of a material. An example of gradient index optics is the common mirage of a pool of water appearing on a road on a hot day. The pool is… … Wikipedia
Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… … Wikipedia
gradient lightguide — gradientinis šviesolaidis statusas T sritis automatika atitikmenys: angl. graded index lightguide; gradient lightguide vok. Gradientenlichtleiter, m; Gradientenlichtwellenleiter, m rus. градиентный световод, m; световод с градиентом показателя… … Automatikos terminų žodynas
Index de Singapour — L index de biodiversité urbaine, également dit Index de Singapour (« City Biodiversity Index » ou CBI pour les anglophones), est un indicateur spécialement construit pour évaluer la biodiversité urbaine[1]. Sommaire 1 Histoire et… … Wikipédia en Français
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
Graded-index fiber — In fiber optics, a graded index or gradient index fiber is an optical fiber whose core has a refractive index that decreases with increasing radial distance from the fiber axis (the imaginary central axis running down the length of the… … Wikipedia
Pressure gradient — In atmospheric sciences (meteorology, climatology and related fields), the pressure gradient (typically of air, more generally of any fluid) is a physical quantity that describes in which direction and at what rate the pressure changes the most… … Wikipedia
Geothermal gradient — The geothermal gradient is the rate of increase in temperature per unit depth in the Earth. It varies with location and is typically measured by determining the bottom open hole temperature after borehole drilling. To achieve accuracy the… … Wikipedia
Temperature gradient — In atmospheric sciences (meteorology, climatology and related fields), the temperature gradient (typically of air, more generally of any fluid) is a physical quantity that describes in which direction and at what rate the temperature changes the… … Wikipedia
Gradienten-Index-Linse — Eine Gradientenlinse mit parabolischer Änderung der Brechzahl (n) entlang des radialen Abstandes (x). Die Linse bündelt Licht in gleicher Weise wie eine konventionelle Linse. Die Gradientenoptik ist ein Teilbereich der Optik und befasst sich mit… … Deutsch Wikipedia
Ocean Thermal Gradient-Kraftwerk — Ein Meereswärmekraftwerk gewinnt elektrischen Strom aus dem Temperaturunterschied zwischen kalten und warmen Wassermassen in unterschiedlichen Tiefen der Meere. International gebräuchlich für diese Art der Erneuerbaren Energie ist die Abkürzung… … Deutsch Wikipedia
