Fringe Analysis Calculator

Multi-mode interferometric calculator — fringe spacing, OPD & phase, Fabry–Pérot parameters, and coherence requirements.

Parameters
Fringe Analysis
Fringe spacing Λ
6.250mm
Tilt angle α
0.1012mrad
Tilt angle α
20.884arcsec
Tilt angle α
0.0058°
Total OPD
5062.4nm
Surface height ΔH
2531.2nm
Abridged Optics — v1.0All calculations assume monochromatic or quasi-monochromatic illumination. For broadband interference, see the Coherence Length Calculator.

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.