Biomimetic micro-and nano-structures have attracted considerable interest over the last
decades for various applications ranging from optics to life sciences. The complex nature of …

An approach is presented to design different types of Intraocular lenses (IOLs) with a uniform
optimization algorithm. An improved sinusoidal phase function is proposed to realize …

The purpose of this study was to investigate and compare the optical performance of five
trifocal intraocular lenses (IOLs) following the ISO 11979-2 standards, analysing the impact …

Two theoretical sinusoidal diffractive profile models to build up a trifocal intraocular lens
(IOL) are analysed. Topographic features of the diffractive zones such as their shape, step …

Multilevel diffractive lenses (MDLs) has undergone considerable advancements, marked by
their exceptional efficiency and diverse focusing capabilities, resulting in their widespread …

We demonstrate a method for creating a three-dimensional (3D) array of focal spots by
combination of a multi-focal diffractive lens and a two-dimensional multi-value phase …

We propose a method for designing multifocal diffractive lenses generating prescribed sets
of foci with fixed positions at several different wavelengths. The method is based on …

A radial Walsh filter is a phase binary diffractive optical element characterized by a set of
concentric rings that take the phase values 0 or π, corresponding to the values+ 1 or− 1 of a …

The application of two-photon polymerization and molding for the fabrication of a multifocal
diffractive-refractive lens operating in water is studied. The fabricated lens is of aspheric …

Nanoimprinting is a well-established replication technology for optical elements, with the
capability to replicate highly complex micro-and nanostructures. One of the main challenges …