Optically transmissive and reflective objects may have varying surface profiles, which
translate to arbitrary phase profiles for light either transmitted through or reflected from the …

Freeform optical surfaces are advantageous to optical designers, as they provide additional
degrees of freedom for optimization. The loss of rotational symmetry, however, makes …

摘要光学自由曲面具有强大的矫正像差和优化系统结构的能力, 被誉为现代光学系统的变革性
元件. 但是, 自由曲面面形过于复杂, 其高精度检测存在巨大的难度, 这限制了自由曲面面形的 …

Non-null tests are more versatile than null tests and could give fast, generic tests with
sufficient performance. The non-null testing methods are able to measure aspheric surfaces …

Frequency conversion of nonclassical light enables robust encoding of quantum information
based upon spectral multiplexing that is particularly well-suited to integrated-optics …

We report on the effect of retrace error during measurement of freeform optics using a
commercial coherence scanning interferometer (CSI), and its in-built stitching capabilities. It …

A phase unwrapping algorithm for interferometric fringes based on the unscented Kalman
filter (UKF) technique is proposed. The algorithm can bring about accurate phase …

光学自由曲面因其表面自由度较大, 可以针对性地提供或矫正不同的轴上或轴外像差,
同时满足现代光学系统高性能, 轻量化和微型化的要求, 逐渐成为现代光学工程领域的热点 …

非球面光学元件, 特别是其中的自由曲面元件, 在设计自由度上相比于球面具有很大的优势,
基于非球面构建的光学系统能够以简单的光机结构实现复杂的设计目的. 面型检测技术是保障 …

Instead of various mathematical stitching algorithms, an aspheric subaperture stitching
interferometric method relying on modern computer modeling technique is presented. Based …