Difference between revisions of "Numerical Analysis of Interference Patterns"
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== Fourier Analysis Method == | == Fourier Analysis Method == | ||
| + | * requires carrier frequency, narrow frequency, low noise and open fringes | ||
| + | * estimates the phase wrapped (via arctan) | ||
== Phase-Locked Loop Algorithm == | == Phase-Locked Loop Algorithm == | ||
Revision as of 15:05, 19 September 2007
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)