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Proceedings Paper

Photographic Determination Of Flight Characteristics Of Projectiles With Laser - Screen-Triggered Nanosecond Sparks
Author(s): H. Preschern; P. Bettermann
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Paper Abstract

A photographic system is presented, using a modified Cranz-Schardin slow-motion-spark method in combination with Toepler's Schlieren method, to determine the space coordinates of a projectile in free flight. Fanned-out laser beams reflected by reflex foils enable highly accurate timing of the projectile's flight and subsequently, timing of the nanosecond-spark, which is optically split into two X and Y beams. By use of two condensor lenses, an even picture field illumination in the two cameras is guaranteed. By appropriate evaluation of the pictures from one or a few units connected in series, results,not only of the space coordinates of a projectile but also of its exterior ballistic behaviour, can be obtained.

Paper Details

Date Published: 27 July 1979
PDF: 2 pages
Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); doi: 10.1117/12.957689
Show Author Affiliations
H. Preschern, Ballistics Division (Austria)
P. Bettermann, Ballistics Division (Austria)

Published in SPIE Proceedings Vol. 0189:
13th Intl Congress on High Speed Photography and Photonics
Shin-Ichi Hyodo, Editor(s)

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