paraxial ray

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• paraxial ray — gretaašis spindulys statusas T sritis fizika atitikmenys: angl. Gauss ray; paraxial ray vok. paraxialer Strahl, m; Paraxialstrahl, m rus. гауссов луч, m; параксиальный луч, m pranc. rayon de Gauss, m; rayon paraxial, m …   Fizikos terminų žodynas

• Ray (optics) — Ray of light redirects here. For other uses, see Ray of light (disambiguation). In optics, a ray is an idealized narrow beam of light. Rays are used to model the propagation of light through an optical system, by dividing the real light field up… …   Wikipedia

• Paraxial approximation — In geometric optics, the paraxial approximation is an approximation used in ray tracing of light through an optical system (such as a lens).cite book | first=John E. | last=Greivenkamp | year=2004 | title=Field Guide to Geometrical Optics |… …   Wikipedia

• paraxial — /par ak see euhl/, adj. Optics. making a small angle with and lying close to the axis of an optical system: paraxial ray. [1860 65; PAR + AXIAL] * * * …   Universalium

• Ray transfer matrix analysis — (also known as ABCD matrix analysis) is a type of ray tracing technique used in the design of some optical systems, particularly lasers. It involves the construction of a ray transfer matrix which describes the optical system; tracing of a light… …   Wikipedia

• ray — 1. A beam of light, heat, or other form of radiation. The rays from radium and other radioactive substances are produced by a spontaneous disintegration of the atom; they are electrically charged particles or electromagnetic waves of extremely… …   Medical dictionary

• rayon paraxial — gretaašis spindulys statusas T sritis fizika atitikmenys: angl. Gauss ray; paraxial ray vok. paraxialer Strahl, m; Paraxialstrahl, m rus. гауссов луч, m; параксиальный луч, m pranc. rayon de Gauss, m; rayon paraxial, m …   Fizikos terminų žodynas

• Gauss ray — gretaašis spindulys statusas T sritis fizika atitikmenys: angl. Gauss ray; paraxial ray vok. paraxialer Strahl, m; Paraxialstrahl, m rus. гауссов луч, m; параксиальный луч, m pranc. rayon de Gauss, m; rayon paraxial, m …   Fizikos terminų žodynas

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

• Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …   Wikipedia

• Thin lens — In optics, a thin lens is a lens with a thickness (distance along the optical axis between the two surfaces of the lens) that is negligible compared to the focal length of the lens. Lenses whose thickness is not negligible are sometimes called… …   Wikipedia