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Experimental Mechanics

, Volume 13, Issue 5, pp 209–211 | Cite as

A method to shift moiré fringes using gap effect

When there is a gap present between the master and model gratings, the fringes can be shifted by shifting the optical axis of the camera
  • F. P. Chiang
  • R. M. Juang
Article

Abstract

A new method to shift moiré fringes using the gap effect is proposed. It is shown that the shift of fringe is linearly related to the shift of optical axis. The method can also be used for the determination of sign.

Keywords

Mechanical Engineer Fluid Dynamics Optical Axis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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    Chiang, F. P., Parks, V. J. andDurelli, A. J., “Moiré-fringe Interpolation and Multiplication by Fringe Shifting,”Experimental Mechanics,8 (12),554–560 (1968).Google Scholar
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    Chiang, F. P. andB. Ranganayakamma, “Deflection Measurement Using Moiré Gap Effect,”Experimental Mechanics,11 (7),296–302 (July1971).Google Scholar
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Copyright information

© Society for Experimental Mechanics, Inc. 1973

Authors and Affiliations

  • F. P. Chiang
    • 1
  • R. M. Juang
    • 1
  1. 1.Department of Mechanics, College of EngineeringState University of New York at Stony BrookStony Brook

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