meridional ray

  • 1meridional ray — noun A ray that passes through the axis of the optical fiber …

    Wiktionary

  • 2Ray (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… …

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  • 3Ray 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… …

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  • 4X-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… …

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  • 5artes 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

  • 6Paraxial 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 |… …

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  • 7меридиональная 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… …

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  • 8slope angle — noun : the acute angle made by a meridional ray with the axis in a symmetrical optical system …

    Useful english dictionary

  • 9Cardinal 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… …

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  • 10Optical aberration — v · d · e Optical aberration …

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