The Center for Freeform Optics
An Industry/University Cooperative Research Center

Hybrid RBF and local phi-polynomial freeform surfaces

Ilhan Kaya and Jannick P. Rolland

in Optics Express

We present an efficient, localized, and hybrid surface description method combining assets of radial basis functions and local ϕ polynomials. The method reduces the order of ϕ polynomials terms required for optics and applicable to general apertures.