Fourier analysis of phase-shifting algorithms

Klaus R. Freischlad

doi:10.1117/12.323373

29 September 1998 Fourier analysis of phase-shifting algorithms

Klaus R. Freischlad

Proceedings Volume 3407, International Conference on Applied Optical Metrology; (1998) https://doi.org/10.1117/12.323373
Event: International Conference on Applied Optical Metrology, 1998, Balatonfured, Hungary

Abstract

The analysis of phase detection algorithms in the Fourier domain provides information about the overall performance characteristics for complex, non-ideal signals encountered in real-world instruments. Thus phase algorithms can be optimized and adapted to the particular application at hand. After a review of the basic Fourier description of phase algorithms, several cases are discussed demonstrating this ability. These cases include phase shift error, non-sinusoidal.

Citation Download Citation

Klaus R. Freischlad "Fourier analysis of phase-shifting algorithms", Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); https://doi.org/10.1117/12.323373

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