title: Diffractive phase elements for pattern formation: phase-encoding geometry considerations.
abstract: Space-invariant, multilevel, diffractive phase elements are designed for large-scale pattern-formation tasks. The importance of the design algorithm and the phase-encoding geometry of the diffractive element is discussed with regard to the performance of both on- and off-axis reconstruction, notably for pixelated gratings. A new phase-encoding scheme is presented that results in an increase of the diffraction efficiency for the off-axis case.
authors.forename: I M
authors.initials: IM
authors.lastname: Barton
authors.forename: P
authors.initials: P
authors.lastname: Blair
authors.forename: M R
authors.initials: MR
authors.lastname: Taghizadeh