We formulate and apply an efficient finite-difference time-domain algorithm to the analysis of
axially symmetric diffractive optical elements. We discuss aspects relating to minimizing …

We apply boundary integrals to the analysis of diffraction from both conductive and dielectric
diffractive optical elements. Boundary integral analysis uses the integral form of the wave …

A novel two-region formulation of the rigorous electromagnetic boundary element method
(BEM) is developed and applied to practical diffractive cylindrical lenses of continuous …

The boundary integral equation method (BIM) was one of the first methods in grating theory.
It has been used for the investigation of diffraction gratings of extremely different kinds as …

We present an optimization-based synthesis algorithm for the design of diffractive optical
elements (DOE's) that are finite in extent, have subwavelength features, and are aperiodic …

We have developed a rigorous unidirectional method for designing finite-aperture diffractive
optical elements (DOE's) that employs a micro-genetic algorithm (? GA) for global …

The diffraction characteristics of finite-number-of-periods (FNP) gratings are determined by
using rigorous electromagnetic analysis based on the two-region formulation of the exact …

Metallic surface-relief diffractive cylindrical mirrors are designed for on-axis and off-axis
focusing and incidence configurations. These diffractive structures are analyzed by both …

The range of validity of the scalar diffraction analysis is quantified for the case of two-
dimensionally-periodic diffractive optical elements (crossed gratings). Three canonical …

The Finite-Difference Time-Domain (FDTD) method has proven to be a useful tool to analyze
electromagnetic scattering phenomena. In this work, the FDTD method is applied at optical …