This review highlights key advances in multi-camera stereo-DIC, including measurement-area expansion, measurement-uncertainty control, and high-speed measurement. The technique has been applied to various scenarios, such as large-FOV measurements, panoramic measurements, and displacement monitoring during progressive collapse processes.
Researchers develop a comprehensive framework for parallel single-pixel imaging, enabling accurate separation and localization of complex illumination components. The proposed model shows advantages in mixed-scene reconstruction and significantly outperforms conventional methods in low signal-to-noise ratio environments.
The proposed method uses 3D implicit neural representation to model the complex optical field and learns a physics-guided focus-aware weighting map. This enables the recovery of structurally sharp and globally consistent all-in-focus images from experimental data without requiring 3D ground-truth labels.
Researchers develop photonic compute-in-wire, a remotely driven photonic deep neural network that leverages optical fibers for low-latency and low-energy computation. The system achieves competitive accuracy in ML tasks while harnessing the advantages of photonic computation.
Researchers created a novel alignment method, DIANA, for high-efficiency X-ray optics by combining laser-interferometric tilt/yaw correction with Vernier/moiré-based lateral/rotational alignment. This technique enables precise stacking of X-ray Fresnel zone plates with sub-30-nanometer precision and addresses key challenges in FZP stac...
Researchers develop multiresonant fiber acoustic sensor with stabilized triple-phase demodulation, achieving flat low noise floor and high sensitivity across a wide acoustic spectrum. The sensor detects weak sounds and exhibits outstanding performance in ecosystem monitoring, speech recognition, and high-intensity shock detection.
This review explores recent progress in organic-inorganic heterojunction optoelectronic devices, highlighting their potential applications in various fields. The common preparation methods of these heterojunctions and their multifunctional device capabilities are discussed.
The study investigates how the electrodynamic proximity effect can be used to improve defect detection in Structural Health Monitoring (SHM) applications by optimizing measurement setup arrangement. The analysis reveals that proper arrangement of the setup can enhance defect sensitivity up to 300% compared to non-optimized setups.
Recent research progress in optical nanotweezers based on dielectric resonant structures has been reviewed, highlighting various excitation methods and techniques for electromagnetic field hotspot creation. The technologies have shown promise in biochemistry and cell detection applications with minimized thermal effects.
Researchers have developed a simple, low-cost, and high-performance ultraviolet detector using ZnO NPs PEDOT: PSS heterojunction. The device exhibits excellent photosensitivity, fast optical switching characteristics, and short rise time compared to other photodetectors.
A palm-sized digital holographic camera system was developed to capture full-color digital holograms in a single exposure using white LED illumination. The camera achieves video-rate full-color digital holographic motion-picture imaging at 22 fps.
Researchers propose a method to enhance thermal conductance properties of amorphous silicon metasurfaces through laser-induced crystallization, reducing temperature rises by up to 52%. Simulations show excellent light manipulation capabilities in both amorphous silicon and polysilicon metasurfaces.
Researchers designed DH-MTMs for self-powered wireless monitoring of water flow and structural deformation. The materials demonstrated high sensitivity, accuracy, and stability under various test conditions.
Researchers investigated the thermoelectric transport properties of organic semiconductors using a polaronic charge conduction model. They linked experimental observations to build a unified picture of thermoelectric transport physics in organic semiconductors, showcasing promising applications like thermoelectric radiation sensing.
Researchers have developed an innovative strategy to create flexible transparent electrodes with exceptional performance using silver nanowires and a calcium alginate network. The approach improves adhesion, reduces surface roughness, and enhances electrical conductivity.
Researchers have developed fiber-based wearable sensors using machine learning algorithms, enabling the processing of complex data and integration of various signals. This advancement aims to create smart clothing with improved comfort and efficiency.
Researchers find undoped Spiro-OMeTAD outperforms doped devices under low-light conditions due to reduced series resistance. Devices show improved stability and reliability in these conditions, challenging the need for doping.
Flexible optical fiber sensors utilize soft and elastic materials for stretchability, enabling sensitive tracking of strain in vivo and in vitro. The technology has vast potential in human monitoring, healthcare, biomedical applications, and soft robotics.
Free-space QSDC enables secure communication over long distances without fiber cables, ideal for the
The study developed DNA aptamer-based metasurfaces for rapid detection of SARS-CoV-2 and its variants. The approach achieved near-perfect accuracy in identifying different variants, with a sensitivity and specificity of 95.2%.
Narrowband perovskite photodetectors have achieved excellent detection performance with half-peak full-widths of 10-50 nm, opening up new opportunities for multispectral detection. The development of new strategies, such as charge collection narrowing effect and surface roughening effect, has improved their performance.
A multilayer MoS2 field-effect transistor photodetector exhibits a wide spectral detection range of up to 1550 nm, achieving high responsivity and specific detectivity under 480 nm illumination. The device demonstrates good output and transmission characteristics across multiple spectral regions.
Researchers have made significant progress in generating photon pairs on chip through spontaneous four-wave mixing, enabling the creation of efficient quantum light sources. However, challenges remain, including low pair generation rates and collection efficiencies, which limit the performance of these sources.
A novel liquid crystal-based tunable dielectric metasurface was developed, eliminating the need for liquid crystal alignment layer materials and processes. The study achieved a contrast ratio of 25.6 and modulation depth of 94% in the near-infrared communication wavelength band.
Optical microcavities empower biochemical sensing by increasing photon lifetimes and optical field energy density, fostering enhanced sensitivity. Recent advancements have led to breakthroughs in detecting biomacromolecules, cells, and solid particles, with emerging development trends outlined.
The article reviews biomimetic curved artificial compound eyes (BCACEs), introducing parameters to evaluate their performance. Various fabrication methods and applications are discussed, highlighting the potential for BCACEs to transform micro-optical imaging systems.
Triboelectric nanogenerators (TENGs) are used in various applications, including self-powered sensors, blue energy instruments, high voltage sources, micro/nano-energy devices, and liquid-solid interface probes. TENGs offer unique advantages such as generating self-powered signals without additional energy supply systems.
Researchers have developed a compact InGaAs/InP single-photon detector module with ultra-narrowband interference circuits, achieving comparable performance to bench-top equipment in a size of just 8.8×6×2 cm³.