In the first nine months of 2025, revenue from the U.S. market reached RMB 973 million, accounting for 54.8%; Europe contributed RMB 538 million, or 30.3%. Together, Europe and the U.S. accounted for ...

Abstract: This paper aims to develop a low-cost laser engraving machine. Materials like plastics, acrylic, glass, wood, cardboard, and leather have been used to engrave desired inputs. It have been ...

Abstract: Semiconductor lasers, one of the key components for optical communication systems, have been rapidly evolving to meet the requirements of next generation optical networks with respect to ...