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 …

Due to their wide range of functionality, freeform optics have gained ever-increasing
applications in high-end optical systems. Ultra-precision diamond milling (UPDM) provides …

This paper presents the design of a dual-focal-plane head-up display (HUD) system utilizing
double freeform mirrors. The system is specifically developed for automotive applications …

In most off-axis reflective optical systems, light beams only pass each optical element once.
A double-pass structure can increase the number of beam reflections while using the same …

Abstract Space optical remote sensors have an urgent need for optical systems that have
intermediate image and high image-side telecentricity simultaneously. This paper proposes …

Wide-band, high spectral resolution, and miniaturized imaging spectrometers have
important applications. However, the working band, spectral resolution, and volume of the …

A low F-number and 100% cold stop efficiency are beneficial for improving the performance
of optical systems and have a wide range of applications in various thermal imaging …

Freeform surfaces offer more degrees of freedom (DOF) in off-axis optical system design,
showing its advantages in achieving compact systems and improving system performance …