Real-time optical spatial filtering system with white-light source for displaying color moire

Cui-Chang Fang; Yanbiao Liao; De-Yuan Ma

doi:10.1117/12.49541

1 December 1991 Real-time optical spatial filtering system with white-light source for displaying color moiré

Cui-Chang Fang, Yanbiao Liao, De-Yuan Ma

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49541
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A real time moiré spatial filtering system using cheap white light source is proposed in the paper. The system is characterized by its simple set, easy operation and more moiré informations obtained than using coherent monochromatic light source. Through different filtering various colour moiré patterns will be appeared. The increasing or decreasing of fringe orders can be demonstrated by the orders of fringe colours and the centre lines of fringes may be determined precisely through edge-strengthened colour fringes. The theoretical analyses and derivations about these basic relationships are given. Experimental results of curved bar and circular ring agree well with theoretical solutions, also the relationship between the colour orders of fringes and the increasing or decreasing of fringe orders is verified.

Citation Download Citation

Cui-Chang Fang, Yanbiao Liao, and De-Yuan Ma "Real-time optical spatial filtering system with white-light source for displaying color moiré", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49541

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