A team of researchers from Chiba University developed a method to monitor laser ablation in real time by detecting tiny push-back forces during laser cutting. By tracking the recoil force, they can sense depth and detect completion in real time, allowing for precise control over the process.
Researchers demonstrated a dual-use laser system capable of wirelessly transmitting power over long distances and rapidly transitioning to perform defensive missions. The test showcased the system's ability to provide remote power delivery while maintaining its original mission as a directed-energy defense capability.
The University of Rochester-led NSF STELLAR Engine launches to strengthen US competitiveness in global markets by advancing lasers and laser application research. The project aims to bring New York laser research, development, and manufacturing to a scale that can compete globally.
The WAG-H5-2#2508 demonstrated accuracy within stated uncertainties, closely matching manufacturer specifications and rivaling established laser gravimeters. Its long-term stability was also confirmed, enabling continuous, unattended monitoring and supporting hybrid gravity observation networks.
The research team developed a technology that directly forms a junction structure within a 2D semiconductor using a laser to enhance photodetection performance. The resulting energy barrier rapidly separates the positively and negatively charged carriers generated by light, suppressing their recombination.
Scientists have developed a laser-driven engine that can transfer large amounts of data over long distances, enabling high-speed communication in 6G networks. The innovation uses white light to move information and has the potential to support 'intelligent' 6G networks with space-air-ground integration.
Researchers developed an improved local dry underwater laser welding method using pulsed laser technology and optimized pulse frequency. The new method enhances the performance of Q355B steel welded joints, increasing corrosion resistance and mechanical properties.
Researchers at NYCU found that early brain activity contributes to the maturation of communication circuits, regulating Foxp2 expression. The study identifies a previously underappreciated circuit linking the ventromedial prefrontal cortex and striatum, which is active before vocalizations.
Physicists from Heinrich Heine University and Forschungszentrum Jülich successfully accelerated polarized Helium-3 ions using laser-plasma acceleration. The preserved spin alignment increases reaction probability in controlled nuclear fusion, a crucial step towards energy production.
Researchers have developed a unified mathematical model explaining two types of 'breathing' solitons in ultrafast lasers, overcoming decades-old puzzle. The new framework accurately predicts complex behaviors and reveals underlying mechanisms.
A new laser method allows researchers to study radioactive elements like neptunium and fermium, which have rugby ball-shaped atomic nuclei. The technique provides crucial information about the size and shape of atomic nuclei, essential for understanding actinide properties.
Researchers have made significant progress in visible light communication technology, enabling large-capacity transmission rates of over 800 Gbps. The technology offers unique advantages in diverse application scenarios, including inter-satellite links and data center interconnects.
The University of Osaka's researchers have achieved a key milestone in creating tabletop x-ray lasers by demonstrating free-electron laser amplification at extreme ultraviolet wavelengths. They used laser wakefield acceleration to generate high-quality, monoenergetic electron beams, enabling precise control of the plasma source.
A new laser range-finding technique inspired by quantum physics has been demonstrated with sub-millimetre accuracy in real-world environments. The system suppresses noise from sunlight and atmospheric conditions, enabling applications in autonomous vehicles, surveying, and space exploration.
Researchers at the University of Basel have developed a new laser profile that enables deeper and faster cuts in hard tissues like bone. The top hat profile distributes energy more evenly, overcoming limitations of traditional laser systems and enabling joint implants and custom-made 3D-printed implants.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have discovered a new way to generate ultra-precise, evenly spaced laser light combs on a photonic chip. This breakthrough could miniaturize optical platforms like spectroscopic sensors or communication systems.
A team of scientists experimentally demonstrated deterministic entanglement-assisted quantum communication over 20.121 km in fiber channels, outperforming classical communication in metropolitan areas. They proposed an improved continuous-variable dense coding scheme to enhance transmission efficiency and reduce excess noise.
Hiroshima University researchers develop novel 3D printing method to produce cemented carbides with high hardness and durability, reducing material waste and cost. The new technique maintains the hardness of conventionally manufactured WC-Co cemented carbides without defects or decomposition.
A research team from Hefei Institutes of Physical Science grew a high-entropy garnet-structured oxide crystal, achieving enhanced laser performance at 2.8 μm. The material demonstrated strong potential as a gain medium for mid-infrared ultrashort-pulse lasers.
Researchers successfully decode 10 weak classical signals simultaneously using continuous-variable quantum dense coding in 20-km fiber channels. The channel capacity of deterministic entanglement-assisted quantum communication is increased compared to classical communication with coherent state.
Research investigates the influence of strong laser fields on nuclear decay lifetimes, altering nuclear structure and properties. This study provides valuable insights into laser-nucleus interactions and holds promise for applications in the nuclear energy sector.
Researchers developed a new method for self-aligned laser transfer printing using Thermal Conductivity Gradient Carbon (TCGC) stamp, ensuring synchronous chip release and mitigating transfer errors. The SALT technique enables heterogeneous integration of diverse micro-objects onto various challenging surfaces with high accuracy and siz...
The new AI, Health, and Digital Spaces section features an editor’s note emphasizing interdisciplinary collaboration between public health experts and AI researchers. It provides a dedicated scholarly home for work integrating domain knowledge with technical innovation.
Theoretical study reveals that low-frequency lasers significantly enhance fusion efficiency, increasing tunneling probabilities and bridging the gap between low-temperature and high-temperature conditions. The study provides a unified framework for analyzing laser-assisted fusion across different laser frequencies and intensities.
Researchers at Meijo University have developed the world's first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. The achievement advances compact, energy-efficient UV light sources for various applications.
Scientists create natural surfaces with 3D nanowrinkles that control light, liquids, and living cells. The method uses laser polarization to guide the material's organization, enabling precise control over wrinkle formation and applications in bio-inspired surfaces and sensors.
Researchers developed a composite fiber Bragg grating that eliminates the need for extra splices and improves system stability by suppressing stimulated Raman scattering. This technology achieved a 97.5% reduction in unwanted Raman light, reaching record-breaking output power of 9 kW.
Scientists have developed a platform for generating and detecting ultrashort UV-C laser pulses using atomically-thin semiconductors. The system demonstrates a free-space communication system and has the potential to unlock new opportunities in non-line-of-sight communication systems.
Researchers have determined that computational devices must dissipate at least as much heat as the useful information transmitted, challenging earlier views of communication costs. This finding has implications for building energy-efficient systems and could inspire future computer architecture.
Researchers from UCLA, LMU, and JGU have successfully excited the atomic nucleus of thorium-229 using laser light in a non-transparent host material. This achievement opens up new avenues for nucleus-based quantum technologies.
NICT successfully demonstrated 2 Tbit/s free-space optical communication between two types of small portable optical terminals separated by 7.4 km in an urban environment with atmospheric turbulence, marking a major step forward in the practical application of Non-Terrestrial Networks for Beyond 5G/6G.
Researchers propose a novel scheme to produce isolated attosecond pulses using relativistic electron mirrors. This approach can compress an incoming femtosecond laser pulse into an ultra-intense extreme ultraviolet (XUV) attosecond burst, opening doors to groundbreaking applications in ultrafast science and high-resolution imaging.
The study reveals a new method to harness stray laser scatter to cancel out unwanted multi-photon emission, leading to a more efficient and secure single-photon line. This breakthrough could enable the development of advanced quantum computers and communication networks.
Researchers from two Max Planck Institutes directly observe the strong reshaping of C60 molecules by laser fields using x-ray camera. At low intensities, the molecule expands before fragmentation sets in, while at high intensities, fast expansion and removal of outer valence electrons occur.
A new synchronization method for satellite-ground hopping beam communication is proposed, enabling efficient use of frequency resources and power. The method uses a signaling-assisted fast synchronization technique to match business signals between satellite and ground signal stations.
Researchers at Hefei Institutes of Physical Science developed an ultra-compact excimer laser, eliminating mechanical gas pumps and reducing system volume. The laser achieved outstanding energy stability with a pulse energy exceeding 2 mJ while maintaining energy stability.
A novel laser-induced graphene-based strategy has been demonstrated for direct 'drawing' of highly precise, patterned electromagnetic metasurfaces. The metasurface exhibits excellent switching behavior across various frequency bands, enabling rapid switching between wave transmission and shielding.
The Earth-Life Science Institute (ELSI) will host the first Public Communication of Science and Technology (PCST) symposium in Japan, bringing together researchers and practitioners to explore science communication strategies in non-Western contexts. The event aims to develop formal education and training programs and bridge the gap be...
The University of Michigan's three-year project, ORACLE, harnesses laser links for power and momentum transfer, enabling satellites to move without fuel. This innovation aims to transform constellations into dynamic, interconnected systems, improving sustainability and resilience.
Physicists at Umeå University developed a laser made entirely from biomaterials, including birch leaves and peanut kernels. The environmentally friendly laser performs just as well as artificially engineered lasers and could be used for bioimaging, diagnostics, and optical tagging.
Researchers developed a laser-emission vibrational microscopy technique for rapid screening of hyperlipidemia, measuring viscosity of microdroplets in over 5,400 droplets in 90 minutes. The approach enables high-throughput analysis of biological fluids with promise for mechanical biomarker discovery and low-cost clinical diagnostics.
Researchers have successfully demonstrated next-generation error correction codes to mitigate the impact of atmospheric turbulence on ground-to-satellite laser communications. The new codes significantly improved communication quality compared to conventional schemes, enabling practical implementation of ground-to-satellite laser links.
Researchers at Sun Yat-sen University create a new method for fabricating ultra-uniform surface structures with features as small as 46 nanometers. The technique uses a carefully tuned femtosecond laser under water immersion, overcoming the challenge of creating uniform nanostructures smaller than 100 nanometers.
Researchers developed luminescent ceramic-converted laser diodes with superior thermal stability, high-power endurance, and improved luminescence efficiency. The resultant ceramics achieve unprecedented efficiency and enable record output power under blue laser excitation.
Researchers developed a new laser-based technique that targets pancreatic ductal adenocarcinoma (PDAC) while leaving healthy tissue intact. The technique uses a mid-infrared laser at a wavelength strongly absorbed by collagen fibers to ablate cancerous tissue, improving efficiency compared to non-resonant wavelengths.
Researchers developed a high-symmetry gradient-doped Nd:YAG laser crystal that reduces temperature differences between the center and ends, resulting in higher output power and improved beam quality. The crystal showed a 14 W output with efficiency boosted by more than half, making it suitable for dual-end pumping configurations.
A new study shows that laser treatment, PRK, is as safe and effective in treating myopia in older teenagers (17-18 years) as it is in adults. The procedure achieved excellent results with around 64% of teenagers' eyes achieving 20/20 vision.
A new study reveals fragmented communication and coordination undermine European biodiversity research infrastructures' effectiveness. Uneven geographical representation and inconsistent practices impede collaboration and efficient resource use.
Researchers at Umea University have demonstrated a custom-built laser facility generating ultrashort laser pulses with extreme peak power and precisely controlled waveforms. The Light Wave Synthesizer 100 (LWS100) spans 11 meters in length, capable of producing 100 terawatts for a few millionth of a billionth of a second.
Recent research highlights the challenges of communication for autistic adults, including language and nonverbal barriers. Experts recommend a multifaceted approach to support autistic individuals, focusing on adaptations that accommodate their differences.
Researchers observed 22 wild chimpanzees and found that their communication style was similar to that of their mother and maternal relatives, but not their father and paternal relatives. This suggests that chimpanzees may learn their communication behavior through social interaction with their mothers.
Researchers have discovered a method to temporarily halt ultrafast melting of silicon by using precisely timed laser pulses. This breakthrough could improve the accuracy of experiments studying energy transfer between electrons and atoms in solids.
Researchers at KAIST discovered critical security vulnerabilities in smartphone communication modems, which can be exploited with a single manipulated wireless packet. The study highlights the need for standardized mobile communication modem security testing.
Researchers have made significant progress in laser cooling and trapping polar molecules, enabling applications in quantum information and precision measurements. The long-term goal is to achieve Bose–Einstein condensation in laser-cooled molecules through advancements in phase space density.
Researchers have developed a new RGB multiplexer based on thin-film lithium niobate (TFLN) that enables faster and more energy-efficient light modulation for laser beam scanning systems. The multiplexer successfully combined red, green, and blue laser beams, generating mixed colors such as cyan, magenta, and yellow, and even white light.
Allergic responses to tattoo ink can lead to severe symptoms like urticaria, angioedema, and granulomatous reactions. Laser therapy can worsen these conditions, leading to hypertrophic scars or keloids. Alternative treatments like corticosteroids and surgical excision are recommended.
Laser-generated nanoparticles offer a cleaner, scalable alternative to traditional chemical synthesis methods for electronics applications. The method, called laser ablation in liquids, produces surfactant-free, highly pure metal-based nanoparticles with tailored surface properties.
Researchers at Macquarie University developed a new technique to narrow laser linewidth by factors exceeding 10,000 using diamond crystals and Raman scattering. This breakthrough could revolutionize quantum computing, atomic clocks, and gravitational wave detection with improved spectral purity.
Researchers at the University of Illinois have made a significant breakthrough in laser technology, creating a photopumped lasing from a buried dielectric photonic-crystal surface-emitting laser. This achievement improves upon current laser design and opens new avenues for defense applications.