Persistent Link: https://ieeexplore.ieee.org/servlet/opac?punumber=7361 ...

Multi-focus laser processing for efficient fabrication of a trapezoid groove. (a) Schematic of multi-focus laser processing. (b) Simulated light intensity field of multi-focus spot. (c) 45 ...

In this study, we developed a new method for designing progressive addition-multifocus defocused freeform lenses. We used two independent meridians and achieved a smooth gradient transition of ...