Kinetics of vacuum-ultraviolet continuum from a high-pressure He fast discharge
- 1 July 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 35 (1) , 50-52
- https://doi.org/10.1063/1.90927
Abstract
The kinetics of atomic and molecular excited states following a fast discharge in pure high‐pressure helium are resolved on a nanosecond time scale by emission and absorption spectroscopy. Evidence is presented indicating that the Hopfield continuum (600–1100 Å) radiation occurs as a terminal process in a collisional‐radiative cascade subsequent to the electronic recombination of He+2 ions. The radiated peak power in this wavelength range reaches several kW at atmospheric pressure.Keywords
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