Visualization of explosion phenomena using a high-speed video camera with an uncoupled objective lens by fiber-optic

Nobuyuki Tokuoka; Hitoshi Miyoshi; Hideaki Kusano; Hidehiro Hata; Tetsuyuki Hiroe; Kazuhito Fujiwara; Kondo Yasushi

doi:10.1117/12.821879

10 February 2009 Visualization of explosion phenomena using a high-speed video camera with an uncoupled objective lens by fiber-optic

Nobuyuki Tokuoka, Hitoshi Miyoshi, Hideaki Kusano, Hidehiro Hata, Tetsuyuki Hiroe, Kazuhito Fujiwara, Kondo Yasushi

Author Affiliations +

Proceedings Volume 7126, 28th International Congress on High-Speed Imaging and Photonics; 71261P (2009) https://doi.org/10.1117/12.821879
Event: 28th International Congress on High-Speed Imaging and Photonics, 2008, Canberra, Australia

Abstract

Visualization of explosion phenomena is very important and essential to evaluate the performance of explosive effects. The phenomena, however, generate blast waves and fragments from cases. We must protect our visualizing equipment from any form of impact. In the tests described here, the front lens was separated from the camera head by means of a fiber-optic cable in order to be able to use the camera, a Shimadzu Hypervision HPV-1, for tests in severe blast environment, including the filming of explosions. It was possible to obtain clear images of the explosion that were not inferior to the images taken by the camera with the lens directly coupled to the camera head. It could be confirmed that this system is very useful for the visualization of dangerous events, e.g., at an explosion site, and for visualizations at angles that would be unachievable under normal circumstances.

Citation Download Citation

Nobuyuki Tokuoka, Hitoshi Miyoshi, Hideaki Kusano, Hidehiro Hata, Tetsuyuki Hiroe, Kazuhito Fujiwara, and Kondo Yasushi "Visualization of explosion phenomena using a high-speed video camera with an uncoupled objective lens by fiber-optic", Proc. SPIE 7126, 28th International Congress on High-Speed Imaging and Photonics, 71261P (10 February 2009); https://doi.org/10.1117/12.821879

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