Freeform optics is the next-generation of modern optics, bringing advantages of excellent
optical performance and system integration. It finds wide applications in various fields, such …

Ultra-precision polishing is one of the main machining processes for components with high
surface finish requirements, such as optical molds. Typical optical mold materials include …

Freeform optics has become the most prominent element of the optics industry. Advanced
freeform optical designs supplementary to ultra-precision manufacturing and metrology …

In this study, the double sided lapping behavior of sapphire substrate using fixed diamond
abrasive pad was evaluated. For the lapping process, fixed diamond abrasive pad is used …

Roughness down to atomic and close-to-atomic scale is receiving an increasing attention in
recent studies of manufacturing development, which can be realized by high-precision …

A method based on subaperture stitching for measurement of a freeform wavefront is
proposed and applied to wavefronts calculated from the slope data acquired using a …

High-efficiency polishing tool is urgently needed to meet the increasing demand of high
accuracy optics, especially large aspheric optics. The purpose of this paper is to present an …

Computer controlled optical surfacing requires accurate tool influence functions (TIFs) for
deterministic fabrication of smooth curved surfaces. In the present paper, the three …

The metrology of freeform wavefront can be performed by the use of a noninterferometric
method, such as a Shack–Hartmann sensor (SHS). Detailed experimental investigations …

Complex precision components are integral to many sectors, straddling both military and
civilian applications. These include aerospace telescopes, infrared thermal imaging …