Deflectometry as a technique to assess reflective surfaces has now existed for some 40
years. Its different aspects and variations have been studied in multiple theses and research …

Manipulating flux transportation of optical fields holds great promise across various kinds of
applications, encompassing laser micro-processing, optical trapping, microscopic imaging …

This feature issue of Optics Express highlights 28 state-of-the-art articles that capture a
snapshot of the recent developments in the field of freeform optics. As an introduction, the …

Caustics are responsible for a wide range of natural phenomena, from rainbows and
mirages to sparkling seas. Here, we present caustics in space-time wavepackets, a class of …

A recently reported vision ray metrology technique [Opt. Express 29, 43480 (2021) OPEXFF
1094-4087 10.1364/OE. 443550] measures geometric wavefronts with high precision. This …

We present a simple method to evaluate the curved surface of a plano–convex aspheric lens
using an incoherent light source. We implement an exact ray trace to obtain analytical …

This work proposes a novel method, to our knowledge, to qualitatively test aerodynamic
surfaces by projecting a null screen. The main idea is, by using ray tracing equations in a …

Currently, the surface error measurement technology for freeform faces a significant
contradiction between measurement accuracy and dynamic range. The study proposes a …

Method to design a wavefront generator singlet SPIE.org SPIE digital library SPIE career
center optics.org Sign In View Cart Help SPIE digital library CONFERENCE …

In this work, we assume that in free space we have an observer, a smooth mirror, and an
object placed at arbitrary positions. The aim is to obtain, within the geometrical optics …