Freeform optics for imaging

JP Rolland, MA Davies, TJ Suleski, C Evans, A Bauer… - Optica, 2021 - opg.optica.org
In the last 10 years, freeform optics has enabled compact and high-performance imaging
systems. This article begins with a brief history of freeform optics, focusing on imaging …

Review on panoramic imaging and its applications in scene understanding

S Gao, K Yang, H Shi, K Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
With the rapid development of high-speed communication and artificial intelligence
technologies, human perception of real-world scenes is no longer limited to the use of small …

Metaform optics: Bridging nanophotonics and freeform optics

DK Nikolov, A Bauer, F Cheng, H Kato… - Science …, 2021 - science.org
The demand for high-resolution optical systems with a compact form factor, such as
augmented reality displays, sensors, and mobile cameras, requires creating new optical …

Design of freeform illumination optics

R Wu, Z Feng, Z Zheng, R Liang… - Laser & Photonics …, 2018 - Wiley Online Library
Freeform optics constitutes a new technology that is currently driving substantial changes in
illumination design. It liberates designers and engineers from restrictions of optical surface …

Freeform imaging systems: Fermat's principle unlocks “first time right” design

F Duerr, H Thienpont - Light: Science & Applications, 2021 - nature.com
For more than 150 years, scientists have advanced aberration theory to describe, analyze
and eliminate imperfections that disturb the imaging quality of optical components and …

Towards automatic freeform optics design: coarse and fine search of the three-mirror solution space

B Zhang, G **, J Zhu - Light: Science & Applications, 2021 - nature.com
Abstract Design of an optical system, whether classic or novel, in the past or the present,
requires significant effort from the designer. In addition to design methods and theories, the …

Measurement of freeform optical surfaces: trade‐off between accuracy and dynamic range

S Chen, S Xue, D Zhai, G Tie - Laser & Photonics Reviews, 2020 - Wiley Online Library
Freeform optical surfaces are advantageous to optical designers, as they provide additional
degrees of freedom for optimization. The loss of rotational symmetry, however, makes …

Freeform optical system design with differentiable three-dimensional ray tracing and unsupervised learning

Y Nie, J Zhang, R Su, H Ottevaere - Optics Express, 2023 - opg.optica.org
Optical systems have been crucial for versatile applications such as consumer electronics,
remote sensing and biomedical imaging. Designing optical systems has been a highly …

Design of off-axis three-mirror systems with ultrawide field of view based on an expansion process of surface freeform and field of view

Q Meng, H Wang, W Liang, Z Yan, B Wang - Applied optics, 2019 - opg.optica.org
Unobscured reflective optical systems with a wide field of view (FOV) have significant
application values. However, the aberration increases with the increase of the system FOV …

Design of a head-up display based on freeform reflective systems for automotive applications

SL Wei, ZC Fan, ZB Zhu, DL Ma - Applied optics, 2019 - opg.optica.org
Automotive head-up display (HUD), a typical application in augmented reality (AR), has
gained popularity in recent years. In this paper, we propose a novel design configuration of …