Numerical Analysis of Interference Patterns

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This page is currently a work in progress.

Phase Shifting Technique

  • requires three phase shifted fringe patterns
  • the phase shift must be known
  • carefully controlled conditions must be maintained

Fourier Analysis Method

  • requires carrier frequency, narrow frequency, low noise and open fringes
  • estimates the phase wrapped (via arctan)

Phase-Locked Loop Algorithm

Artificial Neural Network Method

Genetic Algorithm

Simulated Annealing

parSA

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