Pulsed Laser Stereo Photography Of Electrically Exploded Bridges

W. L. Seitz; S. D. Gardner

doi:10.1117/12.955144

18 January 1977 Pulsed Laser Stereo Photography Of Electrically Exploded Bridges

W. L. Seitz, S. D. Gardner

Proceedings Volume 0094, High Speed Optical Techniques: Developments and Applications; (1977) https://doi.org/10.1117/12.955144
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

A technique is described for obtaining short exposure (≈8 ns) high resolution photomicrographs of electrically exploded bridges using a pulsed laser for bridge illumination and band-pass filters to eliminate the intense self light. Two cameras are described, one for a small field of view (til mm) and one for a relatively large field of view (≈20 mm). A carbon disulfide cell and a fiber-optic light guide are used to essentially eliminate speckle, which normally limits the resolution of laser photographs of diffuse surfaces. A series of photomicrographs showing the detailed burst characteristics of both flat and round bridges are shown.

Citation Download Citation

W. L. Seitz and S. D. Gardner "Pulsed Laser Stereo Photography Of Electrically Exploded Bridges", Proc. SPIE 0094, High Speed Optical Techniques: Developments and Applications, (18 January 1977); https://doi.org/10.1117/12.955144

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