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A team of scientists at the Technical University of Denmark has created a selene-based solar cell by replacing thermal annealing with a new laser annealing strategy."In our work, we investigated the potential of this laser annealing strategy specifically for selenium thin film solar cells, and we report a new world record for fill factor, a new world record for ideal factor, and the most advanced ...
Semiconductor laser pump sources, especially those with a wavelength of 969nm, have become the preferred choice for high-power/high peak energy disc lasers due to their reduced quantum losses and heat generation.The 3000W 969nm fiber coupled semiconductor laser system launched by BWT uses 800 μ m NA0.22 fiber to output flat top optical energy distribution, combining lightweight and excellent optic...
NASA is a pioneer in space research, once again attracting the attention of the world with fascinating insights. In a recent press release, NASA announced plans to test revolutionary laser communication systems and study the interaction between Earth and space weather.A Great Leap in Space Communication: ILLUMA-TThe SpaceX 29 mission, scheduled for November 5th, will conduct research and technical...
Recently, the research team of the High Power Laser Physics Joint Laboratory of the Chinese Academy of Sciences Shanghai Institute of Optics and Fine Mechanics identified and analyzed the abnormal near-field output of the SG - Ⅱ upgrade device by using the spatial domain computing method and the deep learning model with attention mechanism in response to the requirements of real-time and effective...
When scientists discovered that laser pulses can rapidly cause refractive index changes in the medium, resulting in "photonic time crystals (PTC)" in the near-visible light band, the door to a disruptive new application in optics seemed to quietly open.Scientists have a certain degree of understanding of photonic crystals and time crystals, the two have almost nothing in common, the basic common p...