title: Multilevel phase-only array generators with a trapezoidal phase topology.
abstract: The implementation of a two-stage design process for the design of diffractive optical elements for array illumination is described. Results are presented for on-axis two-dimensional array illuminators for which this method is used. The final designs are theoretically within 5% of the calculated diffraction efficiency upper bound, and theoretical signal reconstruction error is below 1%. Experimental verification of the design theory is given, with experimental diffraction efficiencies within 4% of design values and signal reconstruction error below 6%.
authors.forename: P
authors.initials: P
authors.lastname: Blair
authors.forename: H
authors.initials: H
authors.lastname: Lüpken
authors.forename: M R
authors.initials: MR
authors.lastname: Taghizadeh
authors.forename: F
authors.initials: F
authors.lastname: Wyrowski