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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 ...
It is reported that the research team of California Institute of Technology has developed an additive manufacturing (AM) technology based on hydrogel injection, which uses two-photon lithography technology to produce 3D metal with a characteristic resolution of about 100 nm.The relevant research is published in the journal Nano Letters, titled 'Suppressed Size Effect in Nanopillars with Hierarchy ...
Recently, the Xi'an Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences has made significant progress in attosecond imaging research, achieving high-resolution imaging of ultra wide spectrum light sources. The related results were published in the journal Photonics Research under the title "Snapshot coherent diffraction imaging across ultra wideband spectra".Figure 1. Demonst...
On August 6th local time, Luminar, a leading publicly traded company in the field of LiDAR, announced a $422 million debt restructuring and raised $100 million in new capital. This measure marks Luminar taking solid steps in optimizing its capital structure and enhancing its financial stability.In early May this year, this laser radar manufacturer released an open letter disclosing a major strateg...
Recently, the research team of Dong Hongxing and Zhang Long from the Research Center of Infrared Optical Materials of the Chinese Academy of Sciences Shanghai Institute of Optics and Precision Mechanics, in cooperation with Huazhong University of Science and Technology, reported a new mechanism for generating dynamically tunable single-mode lasers from exciton polaritons with ultra-low thresholds,...