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Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965)
[ACTIVE]

An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A short-duration light source to substitute for a spark gap in schlieren or shadowgram photography is described. Having a spot diameter of 4.4 mm, the flash delivers 90% of its total illumination in about 30 nanosec. The explosive system is equivalent to a small electric detonator containing 0.1–0.3 gram of PETN. The total energy of 500 to 1,500 j is sufficiently small to allow handling with relative safety. A simple container to protect operator and equipment is described. The short flash-duration and uniformly reproducible spot size of this type of light source make it attractive for stopping the motion of fast objects and shock waves.
Publication Date
1965-02-01
DOI
10.5594/J09263
Link
https://doi.org/10.5594/J09263
Author(s)
T. P. Liddiard, S. J. Jacobs, I. Kabik
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T. P. Liddiard, S. J. Jacobs, and I. Kabik; An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J09263
Snippet:
T. P. Liddiard, S. J. Jacobs, and I. Kabik; An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J09263

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T. P. Liddiard, S. J. Jacobs, and I. Kabik; An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J09263
Snippet:
<span class="citation">T. P. Liddiard, S. J. Jacobs, and I. Kabik; <cite>An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography</cite>, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965. Available at <a href="https://doi.org/10.5594/J09263" target="_blank" rel="noopener">https://doi.org/10.5594/J09263</a></span>

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T. P. Liddiard, S. J. Jacobs, and I. Kabik; An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965
doi: 10.5594/J09263
url: https://doi.org/10.5594/J09263
Snippet:
<li>
T. P. Liddiard, S. J. Jacobs, and I. Kabik; <cite id="bib-10-5594-j09263">An Explosive Light Source of Low Energy for 30-Nanosec Schlieren or Shadowgram Photography</cite>, Journal of the SMPTE ( Volume: 74, Issue: 2, February 1965); SMPTE, 1965
<span class="doi">10.5594/J09263</span>
</li>