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 …

Micro-structured functional surfaces have achieved widespread applications in various
advanced scientific, technological, industrial, and engineered fields due to their excellent …

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 …

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

Fresnel lenses are important compact optical components, which are comprised of multiple
faceted concentric rings. These lenses are the most widely utilized diffractive optical element …

Fly cutting in ultra-precision machining (UPM), termed ultra-precision fly cutting (UPFC), is
an intermittent cutting process in which a diamond tool is mounted with a spindle to …

Advances in ultraprecision diamond turning have revolutionized manufacturing processes
across various industries, offering unparalleled precision and surface quality in the …

Micro-textured surfaces are widely used in aerospace, electronics, biomedical, optics and
other fields due to their excellent properties. By now there are many ways to obtain the …

Fast tool servo (FTS) in ultra-precision machining (UPM) is an enabling and efficient
technology for fabricating optical freeform surfaces or microstructures with submicrometric …

By serially combining two piezoelectrically actuated compliant stages, a dual-stage fast tool
servo (FTS) is developed to greatly enhance the trajectory tracking performance of …