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Optical Engineering

New continuous recording procedure of holographic information on transient phenomena
Author(s): Kunihito Nagayama; H. Keith Nishihara; Terutoshi Murakami
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Paper Abstract

A new method for continuous recording of holographic information, "streak holography," is proposed. This kind of record can be useful for velocity and acceleration measurement as well as for observing a moving object whose trajectory cannot be predicted in advance. A very high speed camera system has been designed and constructed for streak holography. A ring-shaped 100-mm-diam film has been cut out from the high-resolution sheet film and mounted on a thin duralmin disk, which has been driven to rotate directly by an air-turbine spindle. Attainable streak velocity is 0.3 mm/μs. A direct film drive mechanism makes it possible to use a relay lens system of extremely small F number. The feasibility of the camera system has been demonstrated by observing several transient events, such as the forced oscillation of a wire and the free fall of small glass particles, using an argon-ion laser as a light source.

Paper Details

Date Published: 1 September 1992
PDF: 6 pages
Opt. Eng. 31(9) doi: 10.1117/12.58857
Published in: Optical Engineering Volume 31, Issue 9
Show Author Affiliations
Kunihito Nagayama, Kyushu Univ. (Japan)
H. Keith Nishihara, Teleos Research (United States)
Terutoshi Murakami, Kyushu Univ. (Japan)

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