Research Progress
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Researchers Develop Novel Miniaturized Lidar Technology Based on Cross Dual-microcombResearchers from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences have proposed a cross dual-microcomb precision ranging method that eliminates the asynchronous measurement errors prevalent in previous dual-comb sche... Optical frequency combs, as a time and frequency "ruler," have important applications in precision ranging. Conventional dual-comb ranging schemes utilize the optical Vernier effect to achieve long-distance measurements, and they typically require asynchron...Aug 19, 2025 -
Researchers Unveil Dynamic Evolution of Double-Periodic Pulsating SolitonsResearchers from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences have uncovered the nonlinear dynamics of double-periodic pulsating solitons in a 2.8 μm mid-infrared mode-locked fiber laser. They observed a rich e... In a study published in Chaos, Solitons and Fractals, a team leb by Prof. GUO Haitao from the Xi’an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences revealed the nonlinear dynamics of double-periodic pulsating solitons...Jul 30, 2025 -
Scientists Achieve Strong Electric Field Enhancement by Amorphous MetasurfaceResearchers from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences proposed a novel method to achieve significant near-field electric field enhancement by using an amorphous silicon metasurface. The results demonstrat... Traditionally, metallic metasurfaces were used for field enhancement, but their performance was limited by high ohmic losses and low laser damage thresholds. Although dielectric metasurfaces have lower losses, they still face challenges in in fully confini...Jul 21, 2025 -
Researchers Develop OTSM for 3D Imaging of Floating Live CellsResearchers from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences and Swiss Federal Institute of Technology Lausanne have developed optical tweezer sectioning microscopy (OTSM). By combining the non-contact control o... Three-dimensional (3D) imaging is essential for investigating cellular structure and dynamics. Traditional optical methods rely on adhesive or mechanical forces to hold and scan cells, which limit their applicability to suspended cells and may induce stress...Jul 07, 2025 -
Scientists Achieve High-Precision BRDF Modeling for Large-Scale Remote SensingResearchers from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences have developed a novel method for high-precision Bidirectional Reflectance Distribution Function (BRDF) modeling over large areas using UAV-borne mult... Recently, a research group led by Prof. LI Haiwei from Xi’an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences proposed an innovative approach called the adaptive generalization-driven methodology, which aims to obtain ...Jun 24, 2025