Multichannel optical fiber system to measure time intervals in investigations of explosive phenomena

Nicolai P. Kozeruk; V. V. Danilenko; Boris V. Litvinov; P. P. Lysenko; I. V. Sanin; S. V. Samylov; V. I. Tarzhonov; I. V. Telichko

doi:10.1117/12.145729

1 January 1993 Multichannel optical fiber system to measure time intervals in investigations of explosive phenomena

Nicolai P. Kozeruk, V. V. Danilenko, Boris V. Litvinov, P. P. Lysenko, I. V. Sanin, S. V. Samylov, V. I. Tarzhonov, I. V. Telichko

Author Affiliations +

Proceedings Volume 1801, 20th International Congress on High Speed Photography and Photonics; (1993) https://doi.org/10.1117/12.145729
Event: 20th International Congress on High Speed Photography and Photonics, 1992, Victoria, BC, Canada

Abstract

Investigation of shock-wave processes requires multichannel means to measure time intervals. By using measured intervals, velocity and shape of the front surface of shock and detonation waves, and that of moving bodies, are determined. In this paper one of these optical fiber systems is presented. Polymeric light guides, served also for retransmission of optical signals, are used as gauges. The essence of the described system is that the point image of the surface of any form in it, which is arbitrarily oriented in space, is converted into a flat (linear) one, recorded with a chronograph. The results of the system information potential investigation, including a number of recorded signals, time resolution, and measurement errors, as well as sensitivity of the method depending on signal parameters, photochronograph and photographic films characteristics, and the results of an experiment, are presented. The developed system enables us to register up to 6000 channels in the same experiment, time resolution of which does not exceed 20 ns.

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Nicolai P. Kozeruk, V. V. Danilenko, Boris V. Litvinov, P. P. Lysenko, I. V. Sanin, S. V. Samylov, V. I. Tarzhonov, and I. V. Telichko "Multichannel optical fiber system to measure time intervals in investigations of explosive phenomena", Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); https://doi.org/10.1117/12.145729

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