title: Modified phase function model for kinoform lenses.
abstract: A more computationally tractable model of the kinoform lenses in hybrid refractive-diffractive systems is proposed by taking into consideration the actual phase function of the kinoform lenses for every wavelength. The principle and outline of this modified model are explained. We compare the results of this approach with the more conventional single order calculation and with the standard diffraction-order expansion by using a practical hybrid optical system example.
authors.affiliation: State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin, 130033, China.
authors.forename: Hu
authors.initials: H
authors.lastname: Zhang
authors.forename: Hua
authors.initials: H
authors.lastname: Liu
authors.forename: Zhenwu
authors.initials: Z
authors.lastname: Lu
authors.forename: Hongxin
authors.initials: H
authors.lastname: Zhang