We propose a new concept of single-shot deflectometry for real-time measurement of three-
dimensional surface profile using a single composite pattern. To retrieve an accurate phase …

We propose a novel and simple method of single-shot freeform surface profiler based on
spatially phase-shifted lateral shearing interferometry. By the adoption of birefringent …

Subaperture stitching wavelength scanning interferometry with a high-accuracy multi-axis
position stage is proposed for measuring complex surface shapes such as aspherical and …

Deflectometry is a non-contact optical technique which uses a simple system setup to
measure and inspect specular surfaces. Conventional deflectometry methods usually need …

This paper introduces a novel methodology for wavefront sensing through the integration of
Convolutional Neural Networks (CNNs) into Grating Array-Based Wavefront Sensors …

This paper proposes a robust, simple zonal wavefront-estimation method in a grid sampling
model. More slopes are added to the integral equation of the algorithm to improve the …

Owing to the nonlinearity response of digital devices such as screens and cameras in phase-
shifting deflectometry, non-sinusoidal phase-shifted fringe patterns are generated and …

This paper introduces an optimized method for zonal wavefront reconstruction utilizing Fan's
model, specifically tailored to enhance the frequency response. Analysis of the system …

A robust and novel technique for wavefront retrieval from slope data is presented in this
paper. A simple wavefront with stable error is used as a carrier wavefront for measurement …

In this article, the use of a square Hartmann screen test to measure the radius of curvature of
a corneal topography calibration test sphere is presented. The proposed technique is based …