twice-reflected beam

  • 1Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …

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  • 2Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …

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  • 3Harold Hopkins — Born 6 December 1918 Leicester UK Died 22 October 1994 Reading UK Nationality …

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  • 4Armand-Hippolyte-Louis Fizeau —     Armand Hippolyte Louis Fizeau     † Catholic Encyclopedia ► Armand Hippolyte Louis Fizeau     Physicist, b. at Paris, 23 Sept., 1819; d. at Nanteuil, Seine et Marne, 18 Sept., 1896. His father, a distinguished physician and professor of… …

    Catholic encyclopedia

  • 5radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …

    Universalium

  • 6Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …

    Universalium

  • 7optics — /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,&#8230; …

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  • 8photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of&#8230; …

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  • 9motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in&#8230; …

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  • 10Antenna (radio) — Whip antenna on car …

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