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Limitations of Spatial Phase-Measurement Techniques

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Spatial phase-measurement (SPM) interferometry techniques are affected by a number of limitations. These include the wrong carrier frequency and detector nonlinearities in N-point spatial techniques, and leakage in the Fourier-transform method. Computer simulations in one dimension with straight, equally-spaced fringes reveal the character and magnitude of these errors.

© 1992 Optical Society of America

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