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 …

We describe a method for designing freeform optics based on the aberration theory of
freeform surfaces that guides the development of a taxonomy of starting-point geometries …

We present optical designs with freeform optics in the context of hyperspectral imaging.
Results show designs that are 5× more compact in volume than similar designs using …

摘要传统球面以及非球面可供光学系统设计使用的自由度较少. 自由曲面打破了旋转对称以及
平移对称的几何约束, 特别适用于校正非旋转对称系统的像差, 同时可以减少系统中元件的数量 …

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 …

摘要为满足高性能光学系统的设计要求, 需要研究面形灵活可控的光学曲面数理描述方法和其
相应的分析及设计方法. 具有更多自由度的复杂光学曲面可以有效提升光学系统的性能 …

摘要得益于自由曲面更多的设计自由度和强大的像差校正能力, 人们设计出了众多具有超高性能
, 紧凑结构及新奇功能的成像光学系统. 但自由曲面的数学复杂性以及非旋转对称性也对传统的 …

In this paper, an analytical closed-form formula for the design of freeform lenses free of
spherical aberration and astigmatism is presented. Given the equation of the freeform input …

In recent years, freeform optical surfaces have been used increasingly in a variety of off-axis
reflective imaging systems with high performance levels. However, it is a difficult and …

Driven by the development of freeform four-mirror solutions, we review and compare
analytical methods to generate starting point designs with various states of correction …