slit of spectroscope

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• spectroscope — spectroscopic /spek treuh skop ik/, spectroscopical, adj. spectroscopically, adv. /spek treuh skohp /, n. Optics. an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit… …   Universalium

• Spectrometer — This article is about Spectrometers. For the spectral density measuring instrument, see Spectrogram. Grating spectrometer schematic A spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of… …   Wikipedia

• mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium

• Museum Boerhaave — Established 1931 [1] Location Lange Sint Agnietenstraat 10 Leiden, Netherlands …   Wikipedia

• 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

• mass spectrometer — noun spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer • Syn: ↑spectrometer • Derivationally related forms: ↑spectrometric (for: ↑spectrometer) • Hypernyms: ↑ …   Useful english dictionary

• Cat's Eye Nebula — Composite image using optical images from the HST and X ray data from the Chandra X ray Observatory Observation data …   Wikipedia

• Spectrohelioscope — A spectrohelioscope is a telescope designed to show the Sun in a particular wavelength of light. The name comes form three Latin based words: Spectro, referring to the optical spectrum, Helio, referring to the Sun and Scope, as in telescope. The… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• 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

• monochromator — | ̷ ̷ ̷ ̷+|krōˌmād.ə(r) noun ( s) Etymology: monochromatic illuminator : a spectroscope modified by replacing the eyepiece with a narrow slit parallel to the original slit of the instrument in order to isolate for use a narrow portion of the… …   Useful english dictionary