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collimator slit

См. также в других словарях:

  • Collimator — Col li*ma tor, n. 1. (Astron.) A telescope arranged and used to determine errors of collimation, both vertical and horizontal. Nichol. [1913 Webster] 2. (Optics) A tube having a convex lens at one end and at the other a small opening or slit… …   The Collaborative International Dictionary of English

  • collimator — /kol euh may teuhr/, n. 1. Optics. a. a fixed telescope for use in collimating other instruments. b. an optical system that transmits parallel rays of light, as the receiving lens or telescope of a spectroscope. 2. Physics. a device for producing …   Universalium

  • collimator — /ˈkɒləmeɪtə/ (say koluhmaytuh) noun 1. a small fixed telescope for use in collimating other instruments. 2. a. a device for obtaining a parallel beam of light, consisting of a tube containing a convex lens at one end and an adjustable slit at the …  

  • Monochromator — in a x ray beamline at the Advanced Photon Source, Argonne National Laboratory. A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of… …   Wikipedia

  • ECHIDNA - High Resolution Powder Diffractometer — ECHIDNA is the name of the new neutron High Resolution Powder Diffractometer at Australia s new research reactor OPAL, ANSTO. The instrument serves to determine the crystalline structures of materials using neutron radiation analogical to X ray… …   Wikipedia

  • Open-pool Australian lightwater reactor — For other uses, see Opal (disambiguation). Science with Neutrons Foundations Neutron temperature Flux  …   Wikipedia

  • telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

  • col|li|ma|tor — «KOL uh MAY tuhr», noun. Optics. 1. a small fixed telescope with cross hairs at its focus, used for adjusting the line of sight of other instruments. 2. a) the tube with a slit and lens used in the spectroscope to collect the light and throw it… …   Useful english dictionary

  • X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …   Wikipedia

  • Salyut 4 — Infobox Space station station = Salyut 4 (DOS 4) station station image size = station image caption = Salyut 4 diagram extra extra image size = extra image caption = insignia = Salyut insignia.jpg insignia size = 160px insignia caption = sign =… …   Wikipedia

  • spectrometer — spectrometric /spek treuh me trik/, adj. spectrometry, n. /spek trom i teuhr/, n. Optics. an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, esp. an instrument (prism spectrometer)… …   Universalium

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