meridional ray
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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
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
X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… … Wikipedia
artes de Asia meridional — Artes literarias, escénicas y visuales de India, Pakistán, Bangladesh y Sri Lanka. Los mitos de los populares dioses, Visnú y Shiva, en los Puranas (cuentos antiguos) y las epopeyas Mahabharata y Ramayana, proveen el material para las artes… … Enciclopedia Universal
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
меридиональная плоскость — Плоскость, содержащая оптическую ось системы. Примечание Это понятие определено для аксиально симметричных оптических систем. [Сборник рекомендуемых терминов. Выпуск 79. Физическая оптика. Академия наук СССР. Комитет научно технической… … Справочник технического переводчика
slope angle — noun : the acute angle made by a meridional ray with the axis in a symmetrical optical system … Useful english dictionary
Cardinal point (optics) — For other uses, see Cardinal point (disambiguation). In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of an ideal, rotationally symmetric, focal, optical system. For ideal systems, the basic… … Wikipedia
Optical aberration — v · d · e Optical aberration … Wikipedia
Astigmatism — An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp… … Wikipedia
