Shifted band-extended angular spectrum method for off-axis diffraction calculation.
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DOI: 10.1364/oe.419096
Abstract: The shifted band-extended angular spectrum method (Shift-BEASM) is proposed to calculate free-space diffraction between two parallel planes with an off-axis offset. Off-axis numerical propagation is useful for simulating non-paraxial and large-scale fields. The proposed Shift-BEASM… read more here.
Keywords: angular spectrum; method; shifted band; spectrum method ... See more keywords