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posted on 22.04.2019 by Davud Hebri, Saifollah Rasouli, Ali Madan Dezfouli
Off-axis diffraction of a vortex beam with w= 0.3 mm and l=+3 from a sinusoidal ZP with f=40 cm and offset x_0=3 mm, under propagation from z=0 to z=f. First row shows the intensity and the second row shows the corresponding phase profiles.

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