Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Record Details:

Title:
Journal of the Society of Motion Picture and Television Engineers
Date:
1950-1954
Publisher:
Easton, Pa. : The Society
Volume:
Journal of the Society of Motion Picture and Television Engineers
Leaf #:
000626
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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Fig. 20. Four-spark generator with cover removed. Fig. 21. Four phases of the motion of a rifle bullet photographed with the instrument shown in Fig. 20. triggering the light sources in succession at the desired rate. This optical setup yields silhouettes, although the objective mounts act as schlieren diaphragms and make visible large index variations produced, for example, by shock waves. If actual schlieren photographs are required, a goodquality field optic should be used, the light sources should have a well-defined geometrical form — linear or circular — and proper diaphragms should be placed in front of the objectives. The LCA electronic million-frames/sec camera, using this principle, was designed to yield 30 frames at rates from 50 kc up to 1 me, although a different Fayolle and Naslin: High-Speed Photography 617