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Hans Busch (né le 27 février 1884 à Jüchen ; mort le 16 février 1973 à Darmstadt) est un physicien allemand, pionnier de l'optique électronique. Il posa les bases théoriques de la microscopie électronique.
, Hans Busch (* 27. Februar 1884 in Jüchen; † 16. Februar 1973 in Darmstadt) war ein deutscher Physiker. Er war der Begründer der Elektronenoptik und legte damit die theoretischen Grundlagen für das Elektronenmikroskop.
, هانس بوش (بالألمانية: Hans Busch) هو فيزيائي ألماني، ولد في 27 فبراير 1884 في في ألمانيا، وتوفي في 16 ديسمبر 1973 في دارمشتات في ألمانيا.
, Hans Walter Hugo Busch (27 February 1884 i … Hans Walter Hugo Busch (27 February 1884 in Jüchen, North Rhine-Westphalia, Germany – 16 February 1973 in Darmstadt, Hesse) was a German physicist. He was a pioneer of electron optics and laid the theoretical basis for the electron microscope. From 1904 to 1905 he studied physics in Strasbourg, from 1905 to 1906 in Berlin and from 1907 to 1911 physics and applied physics in Göttingen. He then was assistant for applied electrical engineering in Göttingen. He received his doctorate in 1911 from the University of Göttingen. In 1920 he habilitated from the same university and was then Privatdozent of physics and applied physics. In 1921 he was Privatdozent in Jena. In 1922 he became associate professor in Jena. In 1929 he became professor at the Technical University of Berlin. In 1930 he became Professor in Electrical Engineering at the Technische Hochschule Darmstadt (TH Darmstadt) and from 1933 to 1934 the rector of the university. From 1937 to 1939 and 1944 to 1947 he was the Dean of the Department of Electrical Engineering of the TH Darmstadt. Busch became a Patron Member of the SS. In 1940 Busch and his team started to work on data transmission in Peenemünde Army Research Center. For this work he received the War Merit Cross in 1942. From 1944 to 1945 he was at the same time Dean of the Department of Mechanical Engineering. In 1952 he became professor emeritus. Ernst Ruska read a paper by Busch in the academic journal Archives Elektrotechnik where Busch suggested that magnetic fields could be used to direct beams of electrons analogous to the way light is refracted by optical lenses. His proof that a small angle electron beam can be focused to a point by an cylindrical magnetic lens was the basis for the development of the transmission electron microscope by Ruska and Knoll. In recognition of his work in the field, Busch was unanimously elected an honorary fellow of the German Society for Electron Microscopy at its first meeting in 1949.n Microscopy at its first meeting in 1949.
, Hans Busch (27 februari 1884 - 16 februari … Hans Busch (27 februari 1884 - 16 februari 1973) was de grondlegger van de elektronenoptica en legde de theoretische grondslagen voor de elektronenmicroscopie. Hans Walter Hugo Busch studeerde vanaf 1905 in Berlijn en later in Göttingen natuurkunde. Tijdens de Eerste Wereldoorlog was hij artillerieofficier, en later werkte hij aan de Radiotechnische Versuchsanstalt für Marine und Heer (Radiotechnisch Laboratorium voor marine en leger) in Göttingen. Hij promoveerde in 1920 aan de universiteit in Göttingen op het proefschrift Über die Erwärmung von Drähten in verdünnten Gasen durch den elektrischen Strom (Over de opwarming van draden in verdunde gassen door een elektrische stroom). In 1921 werd Busch buitengewoon hoogleraar aan de universiteit in Jena, waar hij de elektronenoptica en de elektronenlens ontwikkelde. Hierdoor kon men de beweging van elektronen in magnetische velden, de focusserende werking van spoelen op bewegende elektronen en hun afbeeldende functie berekenen. De resultaten hiervan vormden de theoretische basis voor de ontwikkeling van de elektronenmicroscoop. In 1930 werd hij hoogleraar elektrotechniek aan de TU in Darmstadt, waar hij het nieuwe Instituut voor Telecommunicatie opzette. Ook schreef hij daar een boek over de fundamenten van de elektronenoptica. In 1952 ging hij met emeritaat. Busch overleed op 16 februari 1973.itaat. Busch overleed op 16 februari 1973.
, Hans Busch (Jüchen, 27 de fevereiro de 188 … Hans Busch (Jüchen, 27 de fevereiro de 1884 - Darmstadt, 16 de dezembro de 1973), foi um professor da e da Universidade de Jena (professor de Física Aplicada, de 1922 a 1947). Descobriu as propriedades de lentes de bobinas eletromagnéticas para feixes de elétrons, apresentando tal conceito em seu trabalho publicado em 1926, que mostrou que as equações usadas nas lentes poderiam ser aplicáveis aos elétrons. Complementado em 1927, tais trabalhos foram remetidos a Reinhold Rudenberg. Por ter desenvolvidos a fundação matemática e experimental da geometria óptica de elétrons, isto é, a formação de imagens de um objeto sujeito a feixes de elétrons incidentes com o uso de lentes magnéticas, ele foi o pioneiro da ótica de elétrons, fundamento físico da microscopia eletrônica. Conjuntamente com August Köhler liderou o desenvolvimento da microscopia com os raios ultravioleta. da microscopia com os raios ultravioleta.
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Hans Busch (* 27. Februar 1884 in Jüchen; † 16. Februar 1973 in Darmstadt) war ein deutscher Physiker. Er war der Begründer der Elektronenoptik und legte damit die theoretischen Grundlagen für das Elektronenmikroskop.
, Hans Busch (né le 27 février 1884 à Jüchen ; mort le 16 février 1973 à Darmstadt) est un physicien allemand, pionnier de l'optique électronique. Il posa les bases théoriques de la microscopie électronique.
, Hans Busch (Jüchen, 27 de fevereiro de 188 … Hans Busch (Jüchen, 27 de fevereiro de 1884 - Darmstadt, 16 de dezembro de 1973), foi um professor da e da Universidade de Jena (professor de Física Aplicada, de 1922 a 1947). Descobriu as propriedades de lentes de bobinas eletromagnéticas para feixes de elétrons, apresentando tal conceito em seu trabalho publicado em 1926, que mostrou que as equações usadas nas lentes poderiam ser aplicáveis aos elétrons. Complementado em 1927, tais trabalhos foram remetidos a Reinhold Rudenberg. Conjuntamente com August Köhler liderou o desenvolvimento da microscopia com os raios ultravioleta. da microscopia com os raios ultravioleta.
, هانس بوش (بالألمانية: Hans Busch) هو فيزيائي ألماني، ولد في 27 فبراير 1884 في في ألمانيا، وتوفي في 16 ديسمبر 1973 في دارمشتات في ألمانيا.
, Hans Busch (27 februari 1884 - 16 februari … Hans Busch (27 februari 1884 - 16 februari 1973) was de grondlegger van de elektronenoptica en legde de theoretische grondslagen voor de elektronenmicroscopie. Hans Walter Hugo Busch studeerde vanaf 1905 in Berlijn en later in Göttingen natuurkunde. Tijdens de Eerste Wereldoorlog was hij artillerieofficier, en later werkte hij aan de Radiotechnische Versuchsanstalt für Marine und Heer (Radiotechnisch Laboratorium voor marine en leger) in Göttingen. Hij promoveerde in 1920 aan de universiteit in Göttingen op het proefschrift Über die Erwärmung von Drähten in verdünnten Gasen durch den elektrischen Strom (Over de opwarming van draden in verdunde gassen door een elektrische stroom).dunde gassen door een elektrische stroom).
, Hans Walter Hugo Busch (27 February 1884 i … Hans Walter Hugo Busch (27 February 1884 in Jüchen, North Rhine-Westphalia, Germany – 16 February 1973 in Darmstadt, Hesse) was a German physicist. He was a pioneer of electron optics and laid the theoretical basis for the electron microscope. In recognition of his work in the field, Busch was unanimously elected an honorary fellow of the German Society for Electron Microscopy at its first meeting in 1949.n Microscopy at its first meeting in 1949.
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Hans Busch (Physiker)
, Hans Busch (físico)
, Hans Busch
, هانس بوش
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