Color Moiré interferometry

Details Color Moiré interferometry Color Moiré interferometry

2007-09-11

2007-09-11

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Material strain analysis

By light interference detector

Reexamination Certificate

active

10945417

ABSTRACT:
Color-coding is used to simplify the prior art floating-element Moiré shear-stress sensor. The use of color-coding allows conversion of the Moiré sensor into a 2-D area array sensor, provides a simplified method that saves costs associated with data acquisition and analysis and permits the use of color in the mapping of shear stress distribution.

REFERENCES:
patent: 4814601 (1989-03-01), Jones
Kourouma, Hamed Youssouf Serge. “Design and analysis of an optical detection scheme for micromachined floating-element shear stress sensors”. Masters Thesis, University of Florida, 2002.
Miller, M.F. et al. “Fabry-Perot Pressure Sensor Arrays for Imaging Surface Pressure Distributions”. 1997 International Conference on Solid-State Sensors and Actuators, Jun. 16-19, 1997, pp. 1469-1472.
S. Horrowitz, T. Chen, V. Chandrasekaran, K. Tedjojuwono, T. Nishida, L. Cattafesta and M. Sheplak, “A Micromachined Geometric Moire Interferometric Floating-Element Shear Stress Sensor”, 42nd AIAA Aerospace Meeting, Reno, NV Jan. 5-8, 2004.
Naughton, S.W. and Sheplak, M. “Modern Developments In Shear-Stress Measurement,” Progress In Aerospace Sciences 38 (2002) 515-570 Pergamon.
Displacement Measurement of a Grating Using Moire Modulation of an Optical Spectrum, by Nakadate (2004).

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