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IntroductionVortex beams carrying orbital angular momentum (OAM) are widely used for high-throughput optical information multiplexing, and achieving on chip, small-scale vortex lasers is crucial for promoting the industrial implementation of vortex light reuse technology. Recently, Gu Min, an academician of Shanghai University of Technology, and Fang Xinyuan, an associate professor of Shanghai Uni...
A mode-locked laser is an advanced laser that can generate very short optical pulses with durations ranging from femtoseconds to picoseconds. These lasers are widely used for studying ultrafast and nonlinear optical phenomena, but they have also been proven to be applicable to various technological applications.Researchers at the California Institute of Technology have recently been exploring the ...
Recently, Tong Cunzhu, the research team of the Chinese President of Science, Chunguang Institute of Mechanical Mechanics, made important progress in the research field of photonic crystal surface emitting lasers (PCSEL), proposed a three lattice structure and achieved a low threshold 1550nm PCSEL. Relevant achievements were published in Light: Science and Application vol.13, 442024, and the famou...
We investigated the potential of laser selection in a wide optical range from ultraviolet to visible light, and then to infrared (excitation wavelengths of 325, 532, 785, and 1064 nm), in order to combine and analyze extreme microorganisms related to Earth (such as Cryptomeria elegans, cold floating nematodes, and circular green algae), carbon water compound molecules, as well as simulated mineral...
Recently, the National Renewable Energy Laboratory (NREL) under the US Department of Energy has made a revolutionary breakthrough by developing a concept validation method aimed at completely removing polymers from solar panel manufacturing, thereby achieving more efficient and environmentally friendly recycling.Solar panels have always been praised for their recyclability. However, the thin plast...