A paper in Light: Science & Applications proposes cascaded zero-dispersion recirculating loops, achieving both low phase noise and high mode purity in long-loop optoelectronic oscillators.
A team led by researcher Chen Cheng at the Anhui Institute of Optics and Fine Mechanics (AIOFM) used data from the Directional Polarimetric Camera (DPC) and the High-precision Polarization Scanning Polarimeter (POSP) aboard the Gaofen-5 (02) satellite to propose new methods for retrieving cloud optical and microphysical parameters. The results were published in JQSRT and IEEE TGRS. The spatial resolution of the DPC cloud particle size distribution product was improved to 3.3 km, close to the original observations. The POSP algorithm identified 0.865-2.25 micrometers as the optimal dual-channel combination, raising the proportion of pixels with valid cloud parameter retrievals by 52.06%. The retrieval results show good consistency with MODIS and VIIRS cloud products.
Berkeley researchers analyzed human eye responses using photographs of natural scenes to explain the origins of the four fundamental hues in human color vision.
A team led by Yang Shanglu at the Shanghai Institute of Optics and Fine Mechanics has suppressed brittle intermetallic compounds in laser joining of dissimilar Ti/Ni materials, improving joint reliability.
The Shanghai Institute of Optics and Fine Mechanics (SIOM) combined experiments and simulations to study the dynamic behavior of water vapor in complex high-vacuum systems, supporting high-power laser facilities.
The Shanghai Institute of Optics and Fine Mechanics and Harbin Institute of Technology have used a photon sieve to achieve the first absolute wavefront measurement of an EUV light source, solving the challenge of absolute wavefront measurement for extreme-ultraviolet and soft X-ray sources.
A team led by Jun Wang has revealed the multi-stage process of a VO2/SiO2 heterostructure under continuous mid-infrared laser driving, from thermal accumulation and phase-transition acceleration to thermal saturation.
A team led by Jianda Shao and Meiping Zhu used an Al2O3/HfO2 nanolaminate gradient-index structure to improve the damage resistance of picosecond laser reflection thin films.
Kobe University has developed a nanostructured coating that produces vivid structural colors on complex surfaces, targeting industrial finishing applications.
The Joint Laboratory for High-Power Laser Physics at the Shanghai Institute of Optics and Fine Mechanics has proposed a measurement method for nonlinear phase shift (B-integral) in high-power laser facilities.
Researchers used quantum-well metasurfaces to achieve efficient frequency conversion for compact nonlinear photonic devices.
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A team led by Guojun Wu at the Xi'an Institute of Optics and Mechanics has proposed PGF-ULB, an underwater optical beacon detection and localization framework combining physics guidance and geometric constraints, for AUV optical docking in complex underwater environments.
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Researchers tested a prototype multispectral camera at the Sorte Muld site in Denmark for archaeological discoveries.
A team led by Peng Xie at the Shanghai Institute of Optics and Mechanics studied soliton generation and breather dynamics in microcavity optical frequency combs.
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A team led by Peng Xie at the Shanghai Institute of Optics and Mechanics has made progress in multidimensional multiplexed optical computing, improving the parallelism of optical computing.
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Entangling molecular ions with atoms to form a Schrodinger cat state makes spectroscopy sensitive down to single molecules.
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Researchers at Jinan University have shown that topological light in the form of skyrmions retains its topological structure in atmospheric turbulence, benefiting free-space optical communications.
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Researchers have developed a purple electrotextile for passive radiative cooling and personal thermal management.
Researchers at ETH Zurich are using fiber-optic sensing to detect crevasses in the Gorner Glacier in the Alps.
A team at the Optoelectronics Center of the Anhui Institute of Optics and Fine Mechanics has published two results in Remote Sensing, proposing the lightweight keypoint localization framework GeoAdapt and the frequency-domain low-rank adaptation segmentation method Freq-LoRA for aerial target sensing in ground-based optical remote sensing. GeoAdapt has only 5.95M parameters and achieves PCK@0.05D of 89.3%; Freq-LoRA requires only 559K trainable parameters and reaches a mean intersection-over-union of 0.904 across five simulated weather datasets, achieving 96.1% of full fine-tuning performance.
The Shanghai Institute of Optics and Mechanics has made progress in deep-ultraviolet subwavelength aperture diffraction research, serving lithography inspection.
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The Shanghai Institute of Optics and Fine Mechanics has made progress in research on the mechanism of nanosecond ultraviolet laser damage in PMMA optical components.
The Shanghai Institute of Optics and Fine Mechanics (SIOM) has achieved dynamic quantitative phase imaging using coherent detection ghost imaging LiDAR.
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The Shanghai Institute of Optics and Fine Mechanics has made progress in research on light-field transport in spatiotemporal non-Markovian random media.
A team led by Liu Hongjun at the Xi'an Institute of Optics and Precision Mechanics (XIOPM) has made progress in metasurface-based nonlinear frequency upconversion imaging in the mid-infrared.
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A new imaging system captures real-time 3D images of epileptic seizures spreading through the brain.
SIOM has made progress in petawatt laser-driven multi-pulse, multi-angle ultrafast X-ray imaging.
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SIOM has made a major breakthrough in accelerating high-energy protons using transition radiation fields.
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The Shanghai Institute of Optics and Fine Mechanics has revealed strong-field radiation reaction effects in cosmic fast radio bursts.
The Shanghai Institute of Optics and Fine Mechanics has published a review summarizing the applications, challenges and outlook of machine learning in inertial confinement fusion.
A team led by Xie Xiaoping and Wang Wei at the Xi'an Institute of Optics and Mechanics has made a series of advances in multi-user access for wireless optical communications targeting 6G.
Researchers have used correlated-electron materials to produce X-ray high harmonics that were previously unattainable.
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A team led by Academician Zhang Xuejun at the Changchun Institute of Optics, Fine Mechanics and Physics published a paper in Laser & Photonics Reviews, proposing direct writing of amorphous silicon thin films with femtosecond lasers below the ablation threshold, using residual stress from solid-phase transformation to form controllable nanoscale surface topography.
SIOM has made progress in geometry-induced quantum interference and ultrafast nonlinear optical control in CdO nanograting films.
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SIOM has made new progress in high-resolution dual-comb spectroscopic detection technology.
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SIOM has made progress in research on high-repetition-rate, high-power ultrafast lasers.
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The Shanghai Institute of Optics and Fine Mechanics (SIOM) combined TOF-SIMS and XPS to characterize the interfacial chemistry of Mo/Si multilayers for EUV.
SIOM has proposed a configurational entropy engineering strategy that enables ultra-broadband luminescence in bismuth-doped glass fiber.
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The Shanghai Institute of Optics and Fine Mechanics (SIOM) has developed an intelligent distributed control system for a laser wakefield accelerator.
A team led by Yao Baoli at XIOPM has made new progress in label-free 3D microscopic imaging.
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