Joseph Ritter von Fraunhofer (/ˈfraʊnˌhoʊfər/; 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. He developed diffraction grating and also invented the spectroscope. In 1814, he discovered and studied the dark absorption lines in the spectrum of the sun now known as Fraunhofer lines.[2]
The German research organization Fraunhofer Society, which is Europe's biggest Society for the advancement of applied research, is named after him.
^Adolf Wißner (1961), "Fraunhofer, Joseph von (bayerischer Personaladel 1824)", Neue Deutsche Biographie (in German), vol. 5, Berlin: Duncker & Humblot, pp. 382–384; (full text online)
^Kitty Ferguson & Miko Maciaszek (20 March 2014). "The Glassmaker Who Sparked Astrophysics". Nautilus. Archived from the original on 23 March 2014. Retrieved 8 April 2018.
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Joseph Ritter vonFraunhofer (/ˈfraʊnˌhoʊfər/; German: [ˈfraʊnˌhoːfɐ]; 6 March 1787 – 7 June 1826) was a German physicist and optical lens manufacturer...
the solar photosphere. The lines are named after German physicist JosephvonFraunhofer, who observed them in 1814. In 1802, English chemist William Hyde...
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Look up Fraunhofer in Wiktionary, the free dictionary. Fraunhofer may refer to: JosephvonFraunhofer (1787–1826), German physicist Fraunhofer (crater)...
the life of JosephvonFraunhofer, a 14-year-old orphan apprentice. Max Joseph donated books and directed the glassmaker to give Fraunhofer time to study...
and rocket pioneer JosephvonFraunhofer (1787–1826), physicist known for discovering the dark absorption lines known as Fraunhofer lines in the sun's...
focal plane of an imaging lens. The equation was named in honour of JosephvonFraunhofer although he was not actually involved in the development of the...
The Fraunhofer distance, named after JosephvonFraunhofer, is the value of: d = 2 D 2 λ , {\displaystyle d={{2D^{2}} \over {\lambda }},} where D is the...
colors that combine to form white light. During the early 1800s, JosephvonFraunhofer conducted experiments with dispersive spectrometers that enabled...
technology to his apprentice JosephvonFraunhofer, who further developed this technology and also developed the Fraunhofer doublet lens design. The breakthrough...
refracting telescope with an aperture of 23 cm (about 9 inches) made by JosephvonFraunhofer, said to be a masterpiece of optical and mechanical quality. With...
James Franck Moritz Ludwig Frankenheim Rudolph Franz Walter Franz JosephvonFraunhofer Theodoric of Freiberg Benedict Friedlaender Harald Friedrich Harald...
the Fraunhofer Institute for Integrated Circuits IIS in Erlangen. In 1992 he received, together with Jürgen Herre and Ernst Eberlein, the "Joseph-von-Fraunhofer...
observations of Mars with an 11 cm achromatic refractor telescope made by JosephvonFraunhofer, which was one of the first times that achromatic refractors were...
June 5 – Carl Maria von Weber, German composer (b. 1786) June 7 – JosephvonFraunhofer, German optician (b. 1787) July 4 John Adams, 90, 2nd President...
February 23 – Emma Willard, American educator (d. 1870) March 6 – JosephvonFraunhofer, German optician (d. 1826) March 9 – Josephine Kablick, Czech botanist...
a series of photodetectors realised on a single nanostructure. JosephvonFraunhofer developed the first modern spectroscope by combining a prism, diffraction...
possible to see astronomical objects in other wavelengths of light. JosephvonFraunhofer and Angelo Secchi pioneered the field of spectroscopy, which allowed...
Rittenhouse made the first engineered diffraction grating. In 1821 JosephvonFraunhofer solidified this significant experimental leap of replacing a prism...
called astrophysics, began to emerge when William Hyde Wollaston and JosephvonFraunhofer independently discovered that, when decomposing the light from the...
Great Refractor, also known as the Fraunhofer 9-inch. The 9-Paris inch diameter lens was made by JosephvonFraunhofer, which works out to about 24.4 centimetres...
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