This article needs additional citations for
verification. (February 2009) |
Victor Schumann | |
---|---|
Born | 21 December 1841 |
Died | 1 September 1913 | (aged 71)
Known for | Discovered the vacuum
ultraviolet Schumann–Runge bands |
Scientific career | |
Fields | Physics |
Victor Schumann (21 December 1841 – 1 September 1913) was a physicist and spectroscopist who in 1893 discovered the vacuum ultraviolet.
Schumann wished to study the " Extreme Ultraviolet" region. For this, he used a prism and lenses in fluorite instead of quartz [1] allowing himself to be the first to measure spectra below 200 nm. Oxygen gas would absorb the radiation with a wavelength below 195 nm, but Schumann placed the entire apparatus under vacuum. He prepared his own photographic plates with a reduced layer of gelatin.
He published on the Hydrogen line in the spectrum of Nova Aurigae and in the spectrum of vacuum tubes. [2]
His work opened the way to atomic emission spectroscopy, leading eventually to the discovery of the hydrogen spectral lines series ( Lyman series) by Theodore Lyman in 1914. [1]
This article needs additional citations for
verification. (February 2009) |
Victor Schumann | |
---|---|
Born | 21 December 1841 |
Died | 1 September 1913 | (aged 71)
Known for | Discovered the vacuum
ultraviolet Schumann–Runge bands |
Scientific career | |
Fields | Physics |
Victor Schumann (21 December 1841 – 1 September 1913) was a physicist and spectroscopist who in 1893 discovered the vacuum ultraviolet.
Schumann wished to study the " Extreme Ultraviolet" region. For this, he used a prism and lenses in fluorite instead of quartz [1] allowing himself to be the first to measure spectra below 200 nm. Oxygen gas would absorb the radiation with a wavelength below 195 nm, but Schumann placed the entire apparatus under vacuum. He prepared his own photographic plates with a reduced layer of gelatin.
He published on the Hydrogen line in the spectrum of Nova Aurigae and in the spectrum of vacuum tubes. [2]
His work opened the way to atomic emission spectroscopy, leading eventually to the discovery of the hydrogen spectral lines series ( Lyman series) by Theodore Lyman in 1914. [1]