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Joseph Ritter von Fraunhofer (/ ˈ f r aʊ n ˌ h oʊ f ər /; German: [ˈfraʊnˌhoːfɐ]; 6 March 1787 – 7 June 1826) was a German physicist and optical lens manufacturer. He made optical glass, an achromatic telescope , and objective lenses .
Mar 4, 2024 · Joseph von Fraunhofer (born March 6, 1787, Straubing, Bavaria [Germany]—died June 7, 1826, Munich) was a German physicist who first studied the dark lines of the Sun’s spectrum, now known as Fraunhofer lines. He also was the first to use extensively the diffraction grating, a device that disperses light more effectively than a prism does.
- The Editors of Encyclopaedia Britannica
Learn about the life and achievements of Joseph von Fraunhofer, a pioneer of modern optics and the discoverer of Fraunhofer lines. Explore his timeline, his legacy and his connection to the Fraunhofer-Gesellschaft.
Joseph von Fraunhofer (March 6, 1787 – June 7, 1826) was a German optician who was the first to study and classify the dark lines that appear in the spectra of the sun. During his lifetime he was known as the maker of the finest refractor telescopes in Europe. He also perfected the use of fine gratings, known as diffraction gratings, for ...
Jun 27, 2018 · Learn about the life and achievements of Joseph von Fraunhofer, the German physicist and optician who pioneered achromatic lenses and astronomical spectroscopy. Find out how he used the dark lines of the solar spectrum to measure refraction indexes and wavelengths.
The Fraunhofer-Gesellschaft owes its name to Joseph von Fraunhofer (1787-1826), the successful Munich researcher, inventor and entrepreneur. The story of his life and works clearly indicates why he was chosen as the role model for our organization.
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Joseph von Fraunhofer. (1787–1826). Fraunhofer’s talent and determination were immediately evident. Reichenbach and Utzschneider thus appointed him at the very early age of 22 to head of the glass works in Benediktbeuern, which belonged to their company. His work on the development of new types of glass, his decisive improvements in glass ...
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