title: Light propagation analysis using a translated plane angular spectrum method with the oblique plane wave incidence.
abstract: A novel angular spectrum method was proposed to numerically analyze off-axis free-space light propagation on a translated plane to an arbitrary angle. Utilizing a shifted angular spectrum method based on an oblique incident plane wave assumption, a generalized light propagation formulation was obtained in a wide range of both tilt angles and sampling intervals, which overcame the limitations of prior attempts. A detailed comparison of the proposed angular spectrum method with prior methods is numerically presented for diffractive optics and computer-generated holograms. The validity of the proposed method was confirmed experimentally by reconstructing a digital holographic image using a spatial light modulator.
authors.forename: Hyeon-ho
authors.initials: HH
authors.lastname: Son
authors.forename: Kyunghwan
authors.initials: K
authors.lastname: Oh