A direct method of continuous unwrapping the phase from an interferogram image

Published 19 Apr 2024 in physics.data-an and physics.optics | (2404.14437v1)

Abstract: A new method recovers phase difference of interfering wavefronts from a pattern of interference fringes, avoiding discontinuity problem. The continuous phase is a solution of the first order differential equation of the interferogram function computed from the fringe intensity profile selected along the pathway over the interferogram.

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