• Thumbnail for Friedrich Paschen
    Louis Carl Heinrich Friedrich Paschen (22 January 1865 - 25 February 1947), was a German physicist, known for his work on electrical discharges. He is...
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  • Thumbnail for Paschen's law
    pressure and gap length. It is named after Friedrich Paschen who discovered it empirically in 1889. Paschen studied the breakdown voltage of various gases...
    22 KB (2,788 words) - 18:38, 24 June 2024
  • Thumbnail for Hydrogen spectral series
    hydrogen. Named after the German physicist Friedrich Paschen who first observed them in 1908. The Paschen lines all lie in the infrared band. This series...
    19 KB (1,910 words) - 00:34, 16 July 2024
  • Thumbnail for Zeeman effect
    are equivalent. The effect was named after the German physicists Friedrich Paschen and Ernst E. A. Back. When the magnetic-field perturbation significantly...
    34 KB (5,064 words) - 21:30, 1 September 2024
  • Paschen may refer to: Friedrich Paschen (1865–1947), German physicist Paschen (crater), a lunar crater on the far side of the Moon Paschen-Back effect...
    555 bytes (115 words) - 06:08, 21 January 2016
  • Thumbnail for High voltage
    STP, the minimum sparkover voltage is around 327 volts, as noted by Friedrich Paschen. While lower voltages do not, in general, jump a gap that is present...
    27 KB (3,503 words) - 01:24, 13 September 2024
  • of Tübingen from 1908, and received his doctorate in 1912, under Friedrich Paschen. The subject of his dissertation was on the measurement of radiation...
    13 KB (1,324 words) - 18:01, 7 February 2024
  • with a flat cathode. The hollow cathode effect was recognized by Friedrich Paschen in 1916. In a hollow cathode, the electron emitting surface is in...
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  • Thumbnail for Wien approximation
    wavelength λ. Wien acknowledges Friedrich Paschen in his original paper as having supplied him with the same formula based on Paschen's experimental observations...
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  • Thumbnail for Physikalisch-Technische Bundesanstalt
    founding president 1895–1905: Friedrich Kohlrausch 1905–1922: Emil Warburg 1922–1924: Walther Nernst 1924–1933: Friedrich Paschen 1933–1939: Johannes Stark...
    36 KB (4,235 words) - 08:48, 4 May 2024
  • Thumbnail for Electrical breakdown
    by ion avalanche as explained by the Townsend discharge mechanism. Friedrich Paschen established the relation between the breakdown condition to breakdown...
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  • Thumbnail for Anders Jonas Ångström
    sixtieth birthday. Johann Balmer Gustav Kirchhoff Theodore Lyman Friedrich Paschen Janne Rydberg Spectrum analysis P.Murdin (2000): "Angstrom" chapter...
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  • Thumbnail for Paschen (crater)
    Paschen is a lunar impact crater on the far side of the Moon. The relatively large satellite crater Paschen M partly overlies the southern rim of Paschen...
    6 KB (450 words) - 02:12, 26 January 2024
  • Olbers Johannes Orphal Wilhelm Orthmann Gottfried Osann Heinrich Ott Friedrich Paschen Wolfgang Paul Rudolf Peierls Christoph Heinrich Pfaff Franz Pfeiffer...
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  • concept, an electromagnetic thruster for spacecraft propulsion Friedrich Paschen Paschen's law, an equation relating the breakdown voltage to the gas pressure...
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  • Thumbnail for Arnold Sommerfeld
    Meissner returned to Tübingen to be able to study spectroscopy with Friedrich Paschen, under whom he received his doctorate in 1915. See: K. W. Meissner...
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  • Nicholson Asterium 1898 Norman Lockyer, Carl David Tolmé Runge, Friedrich Paschen Aurorium 1874 William Huggins Ausenium Ao 93 Neptunium 1934 Enrico...
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  • Chasles Wollaston Medal in Geology: Thomas Davidson January 22 – Friedrich Paschen (died 1947), German physicist. February 1 – Henry Luke Bolley (died...
    10 KB (898 words) - 11:42, 1 September 2024
  • Thumbnail for Alfred Landé
    helium. The spectroscopy of helium had been examined experimentally by Friedrich Paschen, but there did not exist a theoretical interpretation. The spectrum...
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  • subject of what would later be called the Paschen-Back effect, and was named after Back and Friedrich Paschen. Between 1914 and 1918 he served with the...
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  • Thumbnail for Walther Ritz
    Andreas Heinrich Voigt, Hermann Minkowski, Lorentz, Aimé Cotton, Friedrich Paschen, Henri Poincaré and Albert Einstein. He was a fellow student of Einstein...
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  • Thumbnail for Stahnsdorf South-Western Cemetery
    Breitscheid (1874–1944), politician Max de Crinis (1889–1945), psychiatrist Friedrich Paschen (1865-1947), physicist Kurt Feldt (1897–1970), general in the Wehrmacht...
    21 KB (2,391 words) - 14:16, 6 September 2024
  • Thumbnail for List of nominees for the Nobel Prize in Physics
    org. April 2020. Retrieved 11 November 2020. "Nomination Archive - Friedrich Paschen". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination...
    325 KB (11,392 words) - 11:12, 5 August 2024
  • whose spectrum was studied by Friedrich Paschen and Carl David Tolmé Runge, with the asteroid being named by Paschen at Wolf's request; the name helium...
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  • Pascal (1623–1662) WGPSN Paschen 14°04′S 140°32′W / 14.06°S 140.53°W / -14.06; -140.53 (Paschen) 127.36 1970 Friedrich Paschen (1865–1940) WGPSN Pasteur...
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  • (James Prescott Joule) 12760 Maxwell (James Clerk Maxwell) 12766 Paschen (Friedrich Paschen) 12773 Lyman (Theodore Lyman) 12774 Pfund (August Herman Pfund)...
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  • Thumbnail for Rumford Medal
    especially in the subjects of optics and terrestrial magnetism" 1928 Friedrich Paschen German "For his contributions to the knowledge of spectra" 1930 Peter...
    122 KB (6,751 words) - 08:38, 14 September 2024
  • Thumbnail for German Physical Society
    1920–22: Wilhelm Wien 1922–24: Franz Himstedt 1924–25: Max Wien 1925–27: Friedrich Paschen 1927–29: Heinrich Konen 1929–31: Egon von Schweidler 1931–33: Max...
    25 KB (2,968 words) - 20:34, 8 September 2024
  • – Juan Manuel Rodríguez Parrondo Paschen curve, line, law – Friedrich Paschen Paschen–Back effect – Friedrich Paschen and Ernst Back Pasteur effect – Louis...
    72 KB (6,829 words) - 04:03, 26 July 2024
  • February 12 – Moses Gomberg (born 1866), American chemist. February 25 – Friedrich Paschen (born 1865), German physicist. August 23 – Roy Chadwick (born 1893)...
    18 KB (1,726 words) - 23:45, 30 June 2024