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Proceedings Paper

High-speed time-resolved holographic interferometer using solid state shutters
Author(s): Roberto G. Racca; John Marks Dewey
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Paper Abstract

The high speed recording of shock waves is presently undertaken by a solid-state, time-resolved holographic interferometer in which spatial frequency multiplexing is used to separate the holographically recorded images. The reference beam is constantly divided into n branches of equal brightness by a stack of suitably graded beam splitters, so that each branch is aimed at the film from a different angle and individually shuttered by an electrooptic light valve. This arrangement allows complete freedom to have any or all of the reference beams reach the film for a given pulse of the laser. The implications of these capabilities for shock-tube studies are explored.

Paper Details

Date Published: 1 April 1991
PDF: 8 pages
Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); doi: 10.1117/12.23983
Show Author Affiliations
Roberto G. Racca, Univ. of Victoria (Canada)
John Marks Dewey, Univ. of Victoria (Canada)


Published in SPIE Proceedings Vol. 1358:
19th Intl Congress on High-Speed Photography and Photonics
Peter W. W. Fuller, Editor(s)

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