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Researchers from Chalms University of Technology in Sweden have successfully improved the efficiency of optical microcombiners, making them a high-performance laser. This breakthrough will have a wide impact in fields such as space science and healthcare.The two rings in the figure are micro resonators, which play a crucial role in the implementation of efficient micro combs.The importance of micr...
Laser solder paste is a new type of high-tech laser soldering material that is widely used. Laser solder paste achieves high-precision control of circuit board soldering through laser heating in the electronic manufacturing process. This article will provide a detailed introduction to the working principle of laser solder paste and its applications in fields such as electronic manufacturing and au...
Two dimensional transition metal chalcogenides have multi valley structures in their energy bands, giving them electron valley degrees of freedom, making them an ideal platform for studying multi body interactions. As the main mechanism of valley depolarization, the valley scattering process of free electrons or bound excitons is crucial for exploring excited state electron phonon interactions and...
Researchers at the Federal College of Technology in Lausanne (EPFL) have shown that femtosecond lasers suitable for palm size can be manufactured using glass substrates.Can femtosecond lasers made entirely of glass become a reality? This interesting question prompted Yves Bellouard, the head of the Galata laboratory at the Federal Institute of Technology in Lausanne, to embark on a journey after y...
IntroductionMetal halide perovskites have excellent optoelectronic properties and have become the undisputed "star" materials in the semiconductor field, attracting great attention from both academia and industry. With a large amount of research investment, the application of perovskite covers various optical and optoelectronic fields such as single photon sources, micro nano lasers, photodetector...