A spectroscopic technique for continuous and time-resolved study of the atomic and molecular species produced by electrically exploded wires is described. A high-speed drum camera is utilized to record the time history of the explosion spectrum. More detailed studies (from photographic plates) of the spectrum at selected times are then conducted by use of a rotating shutter. Results are presented from experiments with aluminum wires exploded in various controlled atmospheres.
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Certain commercial materials and equipment are identified in this paper in order to specify adequately the experimental procedure. In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the material or equipment identified is necessarily the best available for the purpose.
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