Optoelectronic Measurement Of Projectile Velocity And Profile Graphing With The Aid Of A Single Light Barrier

K. Sterzelmeier

doi:10.1117/12.967862

1 March 1983 Optoelectronic Measurement Of Projectile Velocity And Profile Graphing With The Aid Of A Single Light Barrier

K. Sterzelmeier

Author Affiliations +

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967862
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

An optoelectronic method is described which is used for the simultaneous measurement of the projectile velocity and contour with the aid of only one light barrier. A measuring laser produces a very thin lighting row perpendicular to the trajectory. The time-dependent luminous flux is recorded using a pin diode mounted in the transmitted light beam. The velocity is determined as a quotient from the length of the projectile and its residence time in the lighting row. The luminous flux is proportional to the projectile contour, so that the profile can be reconstructed. Data are recorded with a 10 MHz-transient data logger. A device based on the aforementioned principles has already been tested with success.

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K. Sterzelmeier "Optoelectronic Measurement Of Projectile Velocity And Profile Graphing With The Aid Of A Single Light Barrier", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967862

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