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Laser spectroscopy is a spectroscopic technique that uses lasers to be able determine the emitted frequencies of matter. [87] The laser was invented because spectroscopists took the concept of its predecessor, the maser, and applied it to the visible and infrared ranges of light. [87]
Ellis Ridgway Lippincott Jr. (July 6, 1920 – December 24, 1974) was an American chemist, educator, inventor, science leader, and pioneer in spectroscopy. He was a professor of chemistry at the University of Maryland from 1955-1974 and served as director of the Center for Materials Research.
Anders Jonas Ångström (Swedish: [ˈânːdɛʂ ˈjûːnas ˈɔ̂ŋːstrœm]; 13 August 1814 – 21 June 1874) was a Swedish physicist and one of the founders of the science of spectroscopy. [ 1 ] Ångström is also well known for his studies of astrophysics , heat transfer , terrestrial magnetism , and the aurora borealis .
An example of spectroscopy: a prism analyses white light by dispersing it into its component colors. Spectroscopy is the field of study that measures and interprets electromagnetic spectrum. [1] [2] In narrower contexts, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum.
Joseph Ritter von Fraunhofer (/ ˈ f r aʊ n ˌ h oʊ f ər /; German: [ˈfraʊnˌhoːfɐ]; 6 March 1787 – 7 June 1826 [1]) was a German physicist and optical lens manufacturer. He made optical glass, an achromatic telescope, and objective lenses.
Hertz's grandnephew Hermann Gerhard Hertz, professor at the University of Karlsruhe, was a pioneer of NMR-spectroscopy and in 1995 published Hertz's laboratory notes. [ 48 ] The SI unit hertz (Hz) was established in his honor by the International Electrotechnical Commission in 1930 for frequency , an expression of the number of times that a ...
His optical work was important as well, where he is remembered for his observations of dark gaps in the solar spectrum (1802), [7] [8] a key event in the history of spectroscopy. He invented the camera lucida (1807) which contained the Wollaston prism (the four-sided optics of which were first described basically by Kepler) [9] and the ...
Raman had invented a type of spectrograph for detecting and measuring electromagnetic waves. [ 34 ] [ 78 ] Referring to the invention, Raman later remarked, "When I got my Nobel Prize, I had spent hardly 200 rupees on my equipment," [ 79 ] although it was obvious that his total expenditure for the entire experiment was much more than that. [ 80 ]