title: Iterative phase-retrieval method for generating stereo array of polarization-controlled focal spots.
abstract: This Letter introduces an iterative phase-retrieval method based on the Gerchberg-Saxton (G-S) algorithm for generating any arbitrary 3D pattern in image space, while simultaneously controlling the polarization orientation at each pixel. For proof-of-principle, we generate a stereo focal spot array with distinct polarization orientation for each spot. This method is universal for controlling the output polarization; the only requirement is that the input polarization should be spatially inhomogeneous. This work has the potential to impact coherent imaging techniques and spectroscopy.
authors.forename: Shangting
authors.initials: S
authors.lastname: You
authors.forename: Cuifang
authors.initials: C
authors.lastname: Kuang
authors.forename: Kimani C
authors.initials: KC
authors.lastname: Toussaint
authors.forename: Renjie
authors.initials: R
authors.lastname: Zhou
authors.forename: Xinxing
authors.initials: X
authors.lastname: Xia
authors.forename: Xu
authors.initials: X
authors.lastname: Liu
mesh_terms: D000465:Algorithms; D005583:Fourier Analysis; D021621:Imaging, Three-Dimensional / Q000379:methods*