Portable moire interferometer and corresponding moire interferom

Details Portable moire interferometer and corresponding moire interferom Portable moire interferometer and corresponding moire interferom

1994-03-25

1999-04-27

Turner, Samuel A.

Optics: measuring and testing

Material strain analysis

By light interference detector

G01B 902

Patent

active

058984860

ABSTRACT:
A moire interferometer which is both portable and shielded from the environment, as well as a corresponding moire interferometric method, are disclosed.

REFERENCES:
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Experimental Mechanics; "Strain in Transition Joints Measured by High-resolution Moire Photography"; J.M. Webster et al; May 1981.
"A Compact, Economical, And Versatile Moire Interferometer" Mollenhauer (Wright-Patterson AFB OH); Ifju (Hampton VA); Han (IBM Endicott).
"Application of the Moire Method For Measuring Local Deformation Zones" Derganov, Sitnikov and Dubinin.
SPIE vol. 164; "An Automatic Fringe Analysis Interferometer For Rapid Moire Stress Analysis"; McKelvie et al; Univ. of Strathclyde (Scotland).
Optics and Lasers in Engineering, #2 (1980); Stress Analysis Of Fibrous Composites Using Moire Interferometry; McDonach et al.
Experimental Mechanics; "High-sensitivity Moire Interferometry --A Simplified Approach", Post et al; Mar. 1991.

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