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Liquid crystal elastomers are expected to be applied in displays, sensors, smart devices, and wearable devices.A team from POSTECH University in South Korea, led by Professor Su Seok Choi and Professor Seungmin Nam, has developed a new type of stretchable photonic device that can control the wavelength of light in various directions.This work was carried out by the Department of Electrical Enginee...
HSG Laser unveiled its next-generation laser cutting solutions—the GH V2.0 high-power flatbed system and TS2 intelligent tube cutting machine—at its Düsseldorf showroom, marking a major milestone in its European market expansion. (Image: HSG Laser)Attended by customers and partners from across the continent, the event featured live demonstrations of both systems and highlighted HSG’s growing i...
On July 24, Lumibird, a well-known French optoelectronics company, released its latest semi-annual report. In the first half of the year, Lumibird's revenues were 97.2 million euros, up 16 percent from the same period last year. Of this, the Optoelectronics division contributed 45.9 million euros and the remaining 51.3 million euros came from its medical division. In the second quarter (Q2) ended ...
Using light beams for communication is not a new idea, even outside of Star Trek, Star Wars, and other similar fantasy stories. Scientist and science fiction writer Arthur Clark predicted that beam communication, at that time modern satellite communication was just a dream.In 1975, the magazine published an article about laser communication or laser communication equipment. The demonstrati...
The pump source, gain material, and resonant cavity are the three elements that make up a laser. Due to the selective effect of the resonant cavity on the lasing frequency, multi longitudinal mode operation is one of the characteristics of fiber lasers based on traditional resonant cavity structures, manifested as periodic beat peaks in the radio frequency (RF) spectrum and periodic fluctuations i...