Share Email Print
cover

Proceedings Paper

Phase shifting algorithms for nonsinusoidal signals compensating nonlinear phase-shift errors and their susceptibility to random noise
Author(s): K. Hibino
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

In phase-shifting interferometry, nonlinear motion of the phase shifter and non-sinusoidal waveform of the signal are the two most common sources of systematic errors in the measured phase. A j + 4-sample algorithm is derived which compensates for quadratic nonlinearity of the phase shifter and the effect of harmonic components of the signal up to the jth order. The susceptibility of the algorithm to random noise is also discussed.

Paper Details

Date Published: 1 September 1996
PDF: 2 pages
Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 277838 (1 September 1996); doi: 10.1117/12.2298998
Show Author Affiliations
K. Hibino, Mechanical Engineering Lab. (Japan)


Published in SPIE Proceedings Vol. 2778:
17th Congress of the International Commission for Optics: Optics for Science and New Technology
Joon-Sung Chang; Jai-Hyung Lee; ChangHee Nam, Editor(s)

© SPIE. Terms of Use
Back to Top