A simple digital speckle pattern shearing interferometer (DSPSI), able for on-line measurements is presented. The phase analysis of shearographic fringes is effected by using a fast Fourier transform algorithm (FFT). Some experimental examples are reported.
Paoletti, D., SCHIRRIPA SPAGNOLO, G. (1995). Automated slope measurement by digital speckle shearography. JOURNAL OF OPTICS, 26, 241-246 [10.1088/0150-536X/26/6/001].
Automated slope measurement by digital speckle shearography
SCHIRRIPA SPAGNOLO, Giuseppe
1995-01-01
Abstract
A simple digital speckle pattern shearing interferometer (DSPSI), able for on-line measurements is presented. The phase analysis of shearographic fringes is effected by using a fast Fourier transform algorithm (FFT). Some experimental examples are reported.File in questo prodotto:
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