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A team of researchers in Berkeley Lab's Accelerator Technology and Applied Physics (ATAP) division has developed a new technique that combines fiber lasers of different wavelengths to generate ultra-short laser pulses. The research is in the journal Optics Letters.This work could advance the development of laser plasma accelerators (LPA), which have the potential to push the frontiers of high-en...
Ruifeng Picosecond laser: Open the door to the art of cutting resin eye lensesAs an important innovation in the modern eyewear industry, resin lenses bring us visual clarity and comfort with their lightness, transparency and impact resistance.However, with the continuous improvement of people's demand for quality and personalization, how to achieve accurate and beautiful cutting on resin eye lense...
Recently, the supervisory board of Jenoptik, a leading German laser technology company, announced an important decision: to extend and confirm the term of Dr. Stefan Traeger as Chairman of the Executive Board, with a new term of three years starting from July 1, 2025, and the contract validity period correspondingly extended to June 30, 2028. Dr. Stefan Traeger has been serving as the President ...
The transmission of electromagnetic waves (such as lasers) in plasma is a fundamental issue in plasma physics. In general, electromagnetic waves cannot be transmitted in high-density plasma, but their transmission and energy transfer play a crucial role in applications such as fast ignition laser fusion, laser particle acceleration, and ultra short and ultra bright radiation sources.In 1996, S. fr...
1. Research backgroundDirected energy deposition (DED), as an efficient and economical technology in the field of additive manufacturing (AM), is widely used in the manufacturing of metal materials. However, its high heating and cooling rates, as well as significant temperature gradients, often lead to rapid solidification, forming cross layer columnar grains and internal defects, seriously affect...