Lightning Spectroscopy–Photographic Techniques
- 1 August 1970
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 9 (8) , 1775-1781
- https://doi.org/10.1364/ao.9.001775
Abstract
Some spectroscopic studies of lightning from 1901 to the present are reviewed, with special emphasis on slitless techniques—time-integrated and time-resolved. Some of the best examples of the authors’ time-integrated spectra are reproduced to display and identify emission and absorption features from 3000 Å to almost 9000 Å on a nearly uniform scale approximating 20 Å/mm. Time-resolved spectra in the visible region are reproduced in the range of milliseconds for a continuing-current luminosity, and microseconds for a return stroke and a stepped leader.Keywords
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