Researchers developed a smart, flexible photoacoustic imaging technique using a compact fiber laser that may have potential applications in wearable devices, instrumentation, and medical diagnostics. The new technique provides better sensitivity than existing piezoelectric transducers for medical imaging.
The optical society laser engineers have successfully designed and tested a high-resolution laser system for the GEDI mission, which will study Earth's forests and topography from the International Space Station. The laser systems must withstand heat and vibration for journey to and operation aboard ISS.
Researchers have developed a more efficient method for laying down thin-film circuitry using copper nanoparticle ink with green laser light. The study found that optimal settings for laser power and scanning speed can enhance conductivity, while sintering reduces film thickness by up to 74%.
The researchers are developing new materials based on 'laser ceramic - thermoelectric' heterostructures to improve the performance characteristics of final materials in several ways. They aim to create a structure where SrTiO3 and TiO2 grains are located in a 'checkerboard' order throughout all the volume of the material.
Researchers have developed a new laser technique to bind aluminum with plastic in injection molding, creating stronger lightweight materials. The method uses continuous infrared lasers to pretreat aluminum sheets, improving adhesion strength and paving the way for more efficient vehicles.
A team of scientists has designed a D-shaped laser that regulates light emission patterns and eliminates instabilities, leading to stable beams. The unique cavity shape causes light to bounce off mirrors in an unpredictable manner, resulting in a stable light stream for high-powered applications.
Researchers have developed a new technique using 'quantum chaos' to prevent optical filaments from forming in semiconductor lasers, leading to instabilities. The new system uses a D-shaped cavity to create a quantum chaotic landscape, disrupting the formation of self-organized structures and maintaining laser stability.
A Yale-led research team has developed a new approach to stabilize high-power lasers by introducing chaotic cavities, reducing laser instabilities and promoting stable beam profiles. The innovative method is scalable to increasing power levels and can be applied to various types of high-power lasers.
Researchers have developed nanoparticles that can be excited with ultralow-power laser light, emitting visible light for deep-tissue imaging. The findings hold promise for advanced imaging systems to pinpoint single cancer cells, guiding high-precision surgeries and radiation treatments.
A NASA team, led by Emily Wilson, is launching a low-Earth-orbiting CubeSat mission called Mini-Carb to measure atmospheric greenhouse gases. The mini-LHR instrument, made of commercial parts, can simultaneously measure carbon dioxide, water vapor, and methane in the atmosphere's limb.
A pilot study by University of Michigan researchers revealed that poor communication between nurses and doctors is a primary cause of patient care mistakes. Nurses often communicate indirectly, which confuses physicians, and the hospital hierarchy puts nurses at a power disadvantage, making them afraid to speak the truth.
Researchers develop a material made from laser-blasted glass doped with rare earth erbium ions, which could be used in integrated optical circuits. The material has promise as a broadband planar waveguide amplifier and could enable miniaturization of telecommunication devices.
Researchers at the University of California - San Diego have developed a new laser material that combines high power density, ultra-short pulses, and superior thermal shock resistance. The material is achieved through a novel materials processing strategy that dissolves high concentrations of neodymium ions into alumina crystals.
Researchers at University of Innsbruck investigate proton exchange reaction using laser-induced vibration excitation. They find that the laser does not enhance the reaction, but rather amplifies a competing reaction process, highlighting the importance of controlling molecular interactions in chemical reactions.
A new study investigates the extremely rapid changes in electron density in specific sites of the caffeine molecule using ultra-fast laser pulses. The results show that positive charge migration along a molecular backbone depends on the timing and interplay of ionisation channels.
Researchers at Sandia National Laboratories have developed a tiny synthetic material that can mix two laser pulses to produce 11 new colors, offering potential applications in fields such as archaeology, extraterrestrial life detection, and fiber-optics communication. The metamaterial's efficiency is currently low, but further work aim...
Scientists at Tel Aviv University develop a laser beam that traps and moves particles in specific directions using Archimedes' screw-inspired technology. The rotation of the beam determines the direction of particle movement, overcoming a major challenge in laser optical trapping.
University of Adelaide researchers have developed a laser that can measure gas composition in under one second with high accuracy and precision. The device uses patterns of light absorption to differentiate between different gas compounds, mimicking the sensitive nose of a bloodhound.
A new study identifies resource availability, communication, and institutional culture as key factors to improve patient transfers from ICU to hospital wards. The research suggests standardized discharge tools, open communication, and coordinated care procedures can reduce breakdowns and errors.
Researchers at NIST developed a novel power meter called 'Smart Mirror' that measures laser power in real-time using radiation pressure. The device is compact, sensitive, and fast, enabling continuous measurement during welding and calibration processes.
Scientists at Osaka University have discovered a novel particle acceleration mechanism using micro-bubble implosion, emitting high-energy protons at unprecedented levels. This breakthrough could clarify unknown space physics and lead to new applications in medical treatment and industry.
A team of researchers at the Institute for Basic Science developed a new method to measure laser pulse shapes in ambient air. The patented technique, TIPTOE, uses tunnel ionization and achieves temporal characterization of laser pulses without X-ray pulses or vacuum conditions.
Researchers at FAU successfully generated controlled electron pulses in the attosecond range using optical travelling waves formed by laser pulses. This breakthrough enables ultrafast movements to be tracked, such as vibrations in atomic lattices and molecular bonds in chemical reactions.
Astronomers have detected a unique laser emission from the heart of the Ant Nebula, indicating the presence of a double star system. The phenomenon was discovered using European Space Agency's Herschel space observatory and is connected to the death of a star.
Scientists at the Max Born Institute refined our understanding of strong-field processes like high harmonic generation and laser-induced electron diffraction. The study shows that returning electrons retain structural information on their initial molecular orbital, contradicting a commonly held assumption.
Scientists have successfully created a fast, tunable, and stable nanoparticle-array laser, enabling ultrafast lasing dynamics with short and rapidly appearing laser pulses. The study showcases promising potential for all-optical switching and sensing applications.
Researchers at Harvard have discovered a new phenomenon in quantum cascade laser frequency combs, enabling devices to act as integrated transmitters or receivers for efficient information encoding. This breakthrough has the potential to increase Wi-Fi capacity and pave the way for faster data transfer rates.
A new technique enhances power output of single-mode lasers, enabling terahertz spectroscopy applications. The technique introduces a hybrid second- and fourth-order Bragg grating in the laser's optical cavity.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf developed a method to create and erase magnetic areas in an alloy using lasers, transforming its magnetic behavior. The process involves heating the alloy with ultra-short laser pulses, allowing it to form a magnet.
Researchers at UNIGE and MBI successfully place an electron in a dual state, neither free nor bound, and regulate its electronic structure. They also discover that high-intensity lasers can amplify light, enabling new possibilities for intense laser propagation in gases.
Researchers at Friedrich Schiller University Jena have successfully created tailored surface structures on curved carbon fibers using laser technology, enabling new applications in composite materials and optical devices. The method allows for precise control over the structure's size and shape, opening up possibilities for improving m...
Researchers have developed a new waveguide technology that suppresses bend loss in 3D photonic integrated circuits, allowing for the creation of compact devices. The technology uses femtosecond laser direct writing to inscribe modification tracks in fused silica, increasing refractive index contrast and reducing bending losses.
Researchers at Lomonosov Moscow State University and international colleagues determine ultrashort X-ray laser pulse energy and time characteristics using the angular streaking method. This allows for individual pulse measurement with high temporal resolution, opening up new avenues for studying ultra-fast molecular processes.
Researchers at Université de Limoges developed a compact, optical fibre-based laser source that rivals synchrotron facilities in performing infrared spectromicroscopy. This breakthrough enables accurate chemical imaging of biological tissues with high precision, paving the way for early cancer diagnosis and treatment.
Researchers at Colorado State University have demonstrated micro-scale nuclear fusion using a compact laser, achieving record-setting efficiency for generating neutrons. This breakthrough could lead to advances in neutron-based imaging and materials science research.
A new technique enables real-time measurement of laser pulses with sub-picosecond resolution, revealing complex collapse and oscillation dynamics before stabilization. This breakthrough has important implications for designing and improving ultrafast pulsed lasers.
Researchers at Bar-Ilan University develop Nano-Drops, a technology that corrects refractive errors by modifying the corneal refractive index. The treatment involves laser stamping onto the cornea to create tiny spots for nanoparticles to enhance optical power.
Scientists have developed a way to write graphene patterns onto virtually any surface, including food, using a new laser technique. This technology could enable edible electronics that track food origin, storage, and safety, as well as detect harmful organisms like E. coli.
A new study shows that a creative couples' intervention significantly improves communication in people with Alzheimer's and their caregivers. The 10-week program increased facilitative communication in caregivers and sociable communication in care receivers, leading to better understanding, intimacy, and reduced conflict.
A new study using the LAser RElativity Satellite (LARES) demonstrates high-precision probing of General Relativity and fundamental physics. The research reveals frame-dragging effects on space-time, with implications for astrophysics.
Japanese researchers at Osaka University propose that substances heated by high-power lasers produce an ultrahigh pressure plasma state comparable to stellar centers. The surface tension of this plasma can push back light, and the researchers derive a limit density for laser-induced hole boring.
Engineers have created a laser-based wireless charging system that can safely charge smartphones sitting across a room. The system uses power from the laser to charge the smartphone via a thin power cell mounted on the back of the phone, with safety features such as a heatsink and guard beams to prevent overheating and accidental contact.
Researchers at the University of Strathclyde developed a laser-driven ion acceleration scheme, achieving proton energies of 100 mega-electron-volts. This innovation could lead to smaller, cheaper, and more efficient ion accelerators with transformative potential for various applications.
Researchers from the University of Central Florida and Technion-Israel have developed a nonmagnetic topological insulator laser, improving efficiency, beam quality, and resilience. This breakthrough technology has potential applications in various fields, including science and technology.
Scientists have successfully observed radiation reaction in a lab experiment, where an ultra-intense laser slows down electrons. This phenomenon is thought to occur near black holes and quasars, and provides insights into quantum effects beyond classical physics.
Proton acceleration is hindered by magnetism, as electrons create a sheath field that accelerates protons at right-angles to the target. This effect, known as magnetic inhibition, progressively worsens at higher laser powers, reducing proton energies.
Researchers used UV laser photolysis to improve diamond synthesis by suppressing unwanted side products. The technique promotes faster and better-quality diamond growth, opening up new possibilities for material synthesis.
A new technique allows researchers to switch emission between long- and short-wavelength edges of photonic bandgap by applying a voltage of 20 V. This is achieved through modifying the dipole moment of cholesteric liquid crystals.
Researchers successfully produced a high-powered, randomly polarized laser beam using a 'Q switch' laser, which typically emits brief pulses of light. This breakthrough expands the potential applications of smaller and more powerful lasers in various fields.
Researchers have successfully created an all-silicon laser based on silicon nanocrystals, which achieves high optical gains and demonstrates reliable lasing characteristics. The development of this technology paves the way for electrically pumped all-Si lasers.
Researchers have developed an electrically pumped organic semiconductor laser that overcomes the challenge of high optical loss and achieves a low threshold current, paving the way for room temperature continuous-wave lasing. The device uses a small molecule doping system and has a peak wavelength of 621.7 nm.
A new optical-fiber-based laser enables detection of chemicals by analyzing reflected light patterns. The device uses a broadband infrared supercontinuum laser to identify substances based on their chemical signature.
Researchers from Russia, China, and India are developing a software to analyze 3D images of infrastructure objects using laser scanner survey technologies and photography. The software will aid in detecting defects, building information modeling, and renovation at all stages of an object's lifecycle.
Researchers at Tohoku University have developed a computational simulation that shows the potential of ultrafast laser pulses to switch electrons' spins in magnetic materials, enabling faster magnetic memory devices. The study suggests perovskite manganites and layered manganites as possible materials for testing their model.
Scientists have successfully created the first continuous-wave lasing in an organic-inorganic lead halide perovskite semiconductor, which could be a crucial step towards developing electrically driven devices. By adjusting the material's temperature, they avoided a phenomenon known as lasing death and achieved over an hour of lasing.
Researchers at the National University of Singapore have developed a super-resolution imaging technique that doubles the odds of successful photon interaction with atoms. This innovation has significant implications for quantum computing and metrology, as it enables stronger interactions between photons and atoms.
Researchers at ETH Zurich generate the world's shortest controlled laser pulse with a duration of 43 attoseconds, allowing for unprecedented time resolution in studying molecular dynamics. This breakthrough enables faster charge transfer and potentially more efficient solar cells.
Researchers from Kumamoto University developed a method to activate silver nanoparticle antibacterial properties at will. Pulsed laser irradiation transformed the shape of gold-coated silver nanoparticles, increasing their antibacterial activity against E. coli.
A team of scientists has found that applying a brief laser pulse to the C60 bucky-ball material creates superconducting properties up to 100 degrees above the critical temperature. The discovery sheds light on the unusual physical phenomena and offers potential for manufacturing electronic devices with adjustable properties.
The five-year grant will prepare 18 master's-level scholars in AAC practices to improve services for children, teens, and young adults with complex communication needs. Scholars will develop competencies in evidence-based practices related to instruction, assessment, collaboration, and individualized support.