Deflectometry for specular surfaces: an overview
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 …
years. Its different aspects and variations have been studied in multiple theses and research …
Computational-sampling-moiré-based on-machine alignment for freeform optics
The manufacturing and characterization of freeform optical surfaces are influenced by their
high sensitivity to misalignments. In this work, the computational sampling moiré technique …
high sensitivity to misalignments. In this work, the computational sampling moiré technique …
Shape reconstruction for deflectometry based on chebyshev polynomials and iteratively reweighted least squares regression
J Guan, J Li, X Yang, X Hu, X Chen… - … Science and Technology, 2022 - iopscience.iop.org
Deflectometry is a technique for measuring the slope data of specular surfaces, and shape
reconstruction is the final process based on the measured slopes. Modal methods …
reconstruction is the final process based on the measured slopes. Modal methods …
A wavefront detection method based on the sparse aperture sampling
J Fan, Q Wu, B Chen, L Chen, J Wang, S Wang… - Optik, 2023 - Elsevier
A wavefront detection method for large aperture optical system based on the sparse
aperture sampling is proposed. The conversion matrix of Zernike coefficients between the …
aperture sampling is proposed. The conversion matrix of Zernike coefficients between the …
Advanced deflectometry methods for industrial application
Deflectometry is a versatile optical testing tool used in various fields, from astronomy to
industrial applications, due to its non-null testing capability which facilitates precise …
industrial applications, due to its non-null testing capability which facilitates precise …