Universal digital speckle shearing interferometer
Applied Optics, Vol. 27, Issue 22, pp. 4731-4734 (1988)
http://dx.doi.org/10.1364/AO.27.004731
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Abstract
A speckle shear interferometer is presented which can be used to yield lateral, radial, rotational, and inversion shear fringes in real time in conjunction with a digital image processing system. A modification of the optical arrangement yields reversal or folding shear as well. Experiments are conducted on an edge-clamped diaphragm with concentrated load. Unit contrast fringes have been obtained by resorting to nonlinear processing techniques such as level slicing. The results are presented for various types of shear.
© 1988 Optical Society of America
Citation
A. R. Ganesan, D. K. Sharma, and M. P. Kothiyal, "Universal digital speckle shearing interferometer," Appl. Opt. 27, 4731-4734 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-22-4731
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