Journal of the Optical Society of America · 1955 · 119 citations · 6 references
Ultraviolet LightShort Wavelength OpticEngineeringMicrowave EnergyAbsorption SpectroscopySpectroscopic PropertyFirst OrderOptical PropertiesOptical DiagnosticsPhotonicsPhysicsWavelength ConversionMolecular XenonCosmic RaySynchrotron RadiationNew Xenon-light SourceUv-vis SpectroscopyExcimer LasersMicrowave SpectroscopyNatural SciencesSpectroscopyOptoelectronics
Xenon’s molecular continuum, mainly from the 3Σu+→1Σg+ transition, underlies VUV emission. A new vacuum ultraviolet light source is described that emits a strong continuous spectrum from 1500 Å to 2250 Å. The source is a sealed Pyrex tube charged with xenon, fitted with a fluorite window, and excited by 2450 MHz microwave energy to produce the continuous VUV spectrum. It successfully captured the Schumann‑Runge absorption bands of oxygen using a 21‑foot vacuum grating spectrograph.
A new vacuum ultraviolet-light source is described which emits a strong continuous emission spectrum from 1500A to 2250A. This source is constructed of Pyrex, is charged with xenon, and carries a fluorite window which allows the tube to be completely sealed off from the vacuum system. Microwave energy at a frequency of 2450 mc/sec is used to excite the emission. Molecular xenon is presumably responsible for the continuum and the main transition is probably 3∑u+→1∑g+ with some contribution from 1∑u+→1∑g+. The source has been used to photograph the Schumann-Runge absorption bands of oxygen in the first order of a 21-foot vacuum grating spectrograph.
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The Dissociation Energy of Oxygen
Peter Brix, G. Herzberg · The Journal of Chemical Physics · 1953 · 61 citations
The Spectrum of Helium in the Extreme Ultra-Violet
Theodore Lyman · The Astrophysical Journal · 1924 · 60 citations
The Broadening of the Resonance Atomic Line of Helium
Walter Weizel · Physical Review · 1931 · 17 citations