Moire Strain Table

Specimen field

Choose a deformation, then tune the grating pair until the beat field appears.

master grating pitch 40 um

pitch mismatch 0.12%

relative rotation 0.20 deg

axial strain 1.05%

shear bias 0.08%

carrier phase 0.20 cyc

fringe contrast 0.78x

deformed pitch -

fringe angle -

visibility -

dominant error -