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Proceedings Paper

Spatial modulating analysis of the Young's fringes by a rotary slit and a liquid-crystal television
Author(s): Ayafumi Taniji; Muneharu Ishikawa
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Paper Abstract

In the particle image velocimetry' for fluid flow measurement, Young's fringes are accompanied with speckle noises generated by random interferences of scattered lights from particle images and the photographic negative, which generally obstruct the fringe analysis. These speckle noises have high spatial frequencies and their spatial distribution is at random. Taking the characteristics of the noises into account,we have designed a new system for analysing the fringes by means of spatial modulations with a slit and a grating displayed on a transparent liquid-crystal television (LCTV).

Paper Details

Date Published: 1 July 1990
PDF: 1 pages
Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); doi: 10.1117/12.22229
Show Author Affiliations
Ayafumi Taniji, Kowa Research Institute (Japan)
Muneharu Ishikawa, Kowa Research Institute (Japan)


Published in SPIE Proceedings Vol. 1319:
Optics in Complex Systems

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