Research Progress
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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 -
Breakthrough in High-Resolution Imaging with Model-Driven Deep LearningThis work proposed a novel model-driven deep neural network, MDFP-Net, to achieve high-resolution image reconstruction in Fourier ptychography by integrating optimization algorithms with deep learning. Experiment results demonstrated that its peak signal-to... Recently, a research group led by Prof. LI Baopeng and Prof. MA Caiwen from the Xi’an Institute of Optics and Precision Mechanics (XIOPM), Chinese Academy of Sciences, developed a groundbreaking approach to address the challenges of noise robustness and co...May 27, 2025 -
Cryogenically Operated High-power Thin-disk Laser Developed for Beam QualityResearchers at the Xi’an Institute of Optics and Precision Mechanics have developed a cryogenically cooled Ho:YLF thin-disk laser that delivers 128 W continuous-wave output at 2 µm, with 62.5% efficiency and near diffraction-limited beam quality. This wor... In a study published in Optics Express, Prof. Fu Yuxi and his team from the Xi’an Institute of Optics and Precision Mechanics (XIOPM) developed a cryogenically cooled Ho: YLF composite thin-disk laser oscillator with output power at the hundred-watt level....May 19, 2025