High Speed Photography: Proceedings of the Eleventh International Congress on High Speed Photography, Imperial College, University of London, September 1974
Springer US, Jun 26, 1975 - Juvenile Nonfiction - 652 pages
The combination of color schlieren with high speed flash techniques has proved to be a valuable tool for investigating high speed transient events. Fully two dimensional refractive index information can be ob tained. The resolution on 35 mm film was sharp enough to allow 50 cm by 75 cm color enlargements. REFERENCES 1. Barnes, N.F., Jour. of the SMPTE, Oct. 1953, Vol. 61,487-511. 2. Cords, P.R., S.P.I.E. Jour., February-March 1968, Vol. 6. 3. North, R.J., NPL/Aero/266, 1954. 4. Settles, G.S., Image Technology, June-July 1972. 5. Smith, L.L., and J.R. Waddell, 9th Congress of Righ Speed Photogra phy, Denver, Colo., August 1970, Paper 86. 6. Stong, C.L., and G.S. Settles, Scientific American, May 1971, Vol. 225, No.5. 7. Stong, C.L., and Vandiver, J.K., Scientific American, August 1974, Vol. 231, No.2. ,105 DISCUSSION MY' R J North, (UK): Pould the author care to comment on possible ambiguities of interpretation due to the omnidirectional sensitivity of the colour filter system used? I notice that in two of his pic tures density gradients in directions at right angles are shown by the same colour transitions. MY' J Kim Vandiver: The photographs presented were not composed to yield accurate determination of the direction of density gradients.
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applied beam channel characteristics charge circuit deflection delay density described determined developed device direction discharge duration effect electrical electron energy event experimental experiments exposure field Figure film filter flash focused formed framing front function gain gives high speed High Speed Photography high-speed illumination improve increase initial input intensifier intensity International laser laser pulse lens light limited maximum measured method mirror mode object observed obtained operation optical output performance photocathode photography picosecond picture placed plasma plate position possible present produced pulse range recording REFERENCES region resolution scan sensitivity separation shock shown shows shutter signal single slit spark streak camera surface technique transmission trigger tube unit voltage wave X-ray