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Beam

Reference angle 20° Wavelength 532 nm Fringe contrast 1.00

Object

Number of points 2 Show phase (colour)

Stats

Wavelength—

Reference angle—

Carrier fringe spacing—

Object sources—

Drag the orange points on the film. Record shows the recorded interference fringes I = |E_ref + E_obj|². Reconstruct illuminates that fringe pattern with the reference beam and rebuilds the wavefront, focusing back to each source.