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.
A new laser machining method enables high-precision patterned laser micro-grooving with root mean square errors below 0.5 μm. This technique allows for rapid and scalable manufacturing of custom microstructures, advancing applications in microfluidic devices, sensors, and heat dissipation systems.
A compact all-solid-state CW SLM laser with high frequency stability was developed using iodine-based frequency locking, advancing its application in atmospheric remote sensing and environmental monitoring. The laser achieves long-term frequency stability with a drift of 4 MHz over a continuous 7-hour period.
Researchers demonstrated a record-breaking long-distance THz wireless transmission of high-definition video over 1.2 km using an astronomical telescope with a quantum-limited superconductor-insulator-superconductor mixer at 500 GHz.
Researchers have developed a reflective sapphire@PiGF@alumina color converter that achieves an ultra-high luminous flux of 6749lm. The converter uses double-sided heat dissipation channels and high-heat-conducting sapphire to reduce working temperature and thermal quenching, increasing the effective radiation flux.
Researchers developed an in-silico meta-analysis tool to determine optimal laser irradiation conditions for treating nevus of Ota. The study found that picosecond laser treatment demonstrated higher efficacy and equivalent safety compared to nanosecond laser treatment.
The article discusses recent advancements in ultrafast laser nanofabrication techniques, including near-field and far-field laser methods. These techniques have demonstrated the ability to create nanostructures with feature sizes as small as 11 nm and 26 nm, respectively.
Researchers have developed a novel single-shot diagnostic technique called RAVEN, allowing for the complete capture of ultra-intense laser pulses in real-time. This method enables scientists to fine-tune laser systems and bridge the gap between experimental reality and theoretical models.
Researchers from Hunan University uncover buildup dynamics of harmonic mode-locking in fiber-based Mamyshev oscillators, achieving high stability and signal-to-noise ratio. The study identifies five distinct phases in the generation of stable harmonic mode-locking, challenging conventional understanding of laser emission.
The University of Ottawa's SUNLAB has developed a simulation model for multi-junction photonic power converters, which enable the conversion of laser light into electrical power with higher efficiencies and voltages. This technology could lead to more reliable telecommunication networks, reduce costs by enhancing systems performance, a...
Professor Bruce Lewenstein won the inaugural PCST Award for his decades-long impact on science communication research, education, and infrastructure worldwide. Susana Herrera-Lima and Toss Gascoigne were named runners-up for their transformative work in building science communication capacity globally.
A new type of laser developed by Norwegian University of Science and Technology and partners has solved several problems associated with current-day lasers. The laser can be used in self-driving cars and detects hydrogen cyanide gas in the air with high precision.
Researchers developed world's first practical surface-emitting laser using quantum dots, advancing miniaturization and energy efficiency of light sources. The innovation enables high-performance, scalable structures and cost reductions through mass production.
PhD students will benefit from international mobility and privileged access to world-class research infrastructure as part of a joint training program between INRS and ELI. The partnership aims to train the next generation of researchers in ultrafast laser science, fostering collaboration and innovation.
Dr. Jonas Ohland will lead the ALADIN project to develop stable, efficient lasers for inertial confinement fusion. The goal is to improve beam guidance and reduce manual intervention, benefiting not only fusion research but also other high-power laser applications.
Researchers have developed a new laser device smaller than a penny that can conduct extremely fast and accurate measurements by precisely changing its color across a broad spectrum of light. The laser has applications ranging from guiding autonomous vehicles to detecting gravitational waves, a delicate experiment to observe our universe.
The Japan SciCom Forum will host the PCST Symposium Japan 2025, bringing together researchers and practitioners to exchange ideas on innovative practices for engaging diverse publics in non-Western contexts. The symposium aims to foster a sustainable science communication ecosystem in Asia.
Researchers from Empa developed machine learning algorithms to optimize laser-based manufacturing techniques, reducing preliminary experiments by two-thirds. They also implemented real-time optimization using field-programmable gate arrays (FPGAs) for improved welding processes.
A new low-cost, diode-based laser system safely emulsifies cataract tissue without damaging surrounding tissue. The technology has the potential to significantly reduce cataract surgery costs and complexity, bringing sight-saving treatment to millions worldwide.
The US National Science Foundation-funded ZEUS facility at the University of Michigan has roughly doubled the peak power of any other laser in the country with its first official experiment reaching 2 petawatts. Research at ZEUS will have applications in medicine, national security, materials science and astrophysics.
Researchers have discovered how to tune electromagnetic pulse intensity by adjusting laser energy and gas jet pressure, enabling controlled EMP applications. The study identified four primary sources of EMPs and found a correlation between EMP intensity and electron acceleration.
Researchers from TIFR Hyderabad have successfully accelerated protons to hundreds of kilovolts using few millijoule lasers, repeating at a thousand times per second. This breakthrough enables high-repetition-rate laser-driven ion accelerators on university lab table tops without extreme laser intensities or pre-pulse suppression.
This study compares laser-guided technology to conventional manual percutaneous lung biopsy, finding that laser-guided technology can reduce operational time and needle adjustments. However, it did not reduce complication rates or improve pathological diagnosis accuracy compared to traditional methods.
A new study published by Kennedy Krieger Institute found that targeted coaching for caregivers of infants as young as 8 months significantly enhances babies' communication and cognitive development. This early intervention model empowers families to learn strategies to increase their infant's engagement and communication.
Researchers investigate the total and minimum energy efficiency tradeoff in robust multigroup multicast satellite communication systems, introducing a new metric to balance system performance and fairness. The study presents an optimization framework for robust beamforming design under imperfect channel phase uncertainty.
The US Naval Research Laboratory's NIKE laser-target facility is realigning its focus to support the DoD's nuclear strategic priorities. The facility, originally designed for direct-drive inertial confinement fusion research, now aims to simulate extreme environments that nuclear assets must navigate.
Researchers developed a novel single-step laser printing technique to manufacture integrated sulfur cathodes, resulting in high-performance lithium-sulfur batteries. The process reduces time and complexity compared to traditional methods, enabling faster and more efficient production.
A DESY team significantly improved the properties of a laser-plasma accelerated electron beam by using a two-stage correction system, reducing energy spread and fluctuation. This brings the technology closer to concrete applications in fundamental research, industry, and health.
A new amplifier developed by Chalmers University of Technology can transmit ten times more data per second than current systems, holding significant potential for various critical laser systems, including medical diagnostics and treatment. The amplifier's large bandwidth enables precise analyses and imaging of tissues and organs.
The Journal of Health Communication has published its first special issue, featuring nine peer-reviewed research papers on successful and unsuccessful health communication campaigns. The issue aims to increase access to critical health communication research, science, and practice, offering insights into the consequences of campaigns a...
Northeastern University researchers develop a new material that cools high-power laser systems while increasing luminous efficiency by 73.2%. The breakthrough enables practical, high-performance laser lighting technologies with improved thermal stability.
Researchers developed a compact, solid-state laser system that generates 193-nm coherent light, marking the first 193-nm vortex beam produced from a solid-state laser. This innovation enhances semiconductor lithography efficiency and opens new avenues for advanced manufacturing techniques.
A novel optical semantic communication system using multimode fiber was developed to enhance data transmission capacity and robustness. The system demonstrated a seven-fold increase in transmission capacity compared to conventional methods, and improved noise tolerance for sentiment analysis applications.
Covert communication, a technique to hide communication behavior, offers an extra layer of protection. Researchers explored various domains and identified future research trends, including intelligent cooperative and parasitic methods.
The researchers used high-speed laser writing to create lines spaced just 100 nm apart on a glass substrate, achieving super-resolution 3D direct laser writing. They overcame the challenge of intense laser light causing unwanted exposure in nearby areas by using a unique dual-beam optical setup and special photoresist.
A new type of phosphor-in-glass film converter on heat-conducting substrates has been developed to improve the performance and efficiency of high-brightness laser lighting. The researchers found that the converters with different substrates have varying effects on heat transfer, light transport, and luminescence saturation.
Researchers find that intense laser pulses cause tunnel ionization, generating photocarriers and altering the lattice energy surface, leading to ultrafast melting of wide-gap ceramic materials like MgO. The study demonstrates a universal microscopic mechanism for laser-induced phase transitions.
Researchers developed an efficient model to simulate metal additive manufacturing processes, predicting defects and optimizing process parameters. The algorithm combines semi-analytic and finite volume models to predict thermal history and metallurgical state of printed parts.
Researchers from China developed a wireless train communication network that demonstrates excellent performance in high-speed railway environments. The system, which integrates LoRa and GNSS technologies, offers lower cabling complexity and maintenance costs while providing greater flexibility for upgrades and fault recovery.
Researchers developed a 7-axis synchronization algorithm for freeform surface laser texturing, achieving high efficiency and accuracy without stitching errors. The approach improves processing efficiency by up to 559% and reduces errors by 60%, making it suitable for industrial applications.
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.
The MA3C method proposes an adaptable approach to generate auxiliary multi-agent adversaries for robust communication-based policies. It overcomes existing challenges and achieves superior performance on various cooperative multi-agent benchmarks, showcasing its high generalization ability.
Droplets of a specific organic liquid emit laser light when an electric field is applied, demonstrating electrically switchable 'laser pixels.' A 2x3 array of these droplets can be controlled individually for high-density displays.
Researchers developed a laser-based artificial neuron that emulates biological graded neuron functions, achieving a signal processing speed of 10 GBaud. This enables fast AI decision-making in time-critical applications with high accuracy.
Researchers at UC Santa Barbara develop a chip-scale ultra-low-linewidth self-injection locked laser, outperforming current tabletop systems in key metrics. The technology enables scalable laser solutions for quantum computing and portable field-deployable sensors with improved interaction with atomic systems.
Scientists successfully produced and controlled hybrid electron-photon quantum states in helium atoms, enabling direct manipulation of these transient states. This breakthrough uses a new laser pulse-shaping technique and high-intensity extreme ultraviolet light pulses to achieve control over the hybrid quantum states.
The research proposes a method for narrowing the QCL linewidth via optical feedback, reducing complexity and enhancing SNR. The approach results in high-precision spectral measurements of greenhouse gases like N2O.
Researchers successfully accelerated high-quality beams of electrons to over 10 billion electronvolts in 30 centimeters, producing a 'dark current-free' beam without wasting energy. The dual-laser system and advanced gas injector system enabled this record-breaking acceleration, marking a major step forward in laser-plasma acceleration.
A prototype mobile all-light communication network has been demonstrated, enabling reliable two-way data transmission across moving nodes on drones, vehicles, and ships. The system uses different light sources to ensure uninterrupted connectivity and dynamically aligns optical paths between moving nodes.
Researchers at Kaunas University of Technology (KTU) have developed a unique nanolaser that uses silver nanocubes to generate and amplify light. The laser's operating principle resembles a hall of mirrors, allowing efficient light generation in an optically active medium.
Researchers at Macquarie University have developed a new laser technique that enables precise control over diamond surfaces at the atomic scale. The method allows for the controlled removal of as little as 1 per cent of an atomic layer, resulting in enhanced conductivity and promising implications for quantum technologies.
A team of researchers successfully demonstrated nonlinear Compton scattering using a multi-petawatt laser, producing ultra-bright gamma rays. The achievement offers new insights into high-energy electron-photon interactions without traditional particle accelerators.
Researchers developed a method to fabricate high-precision glass grooves using multi-focus laser processing. The approach corrects position deviations and improves energy uniformity, enabling the production of glass grooves with various geometries.
Researchers at the Max Planck Institute for the Science of Light create a novel laser system that can detect a wide variety of atmospheric compounds with minimal interference. The system's ability to target the short-wave infrared range and generate high-power, stable pulses enables unprecedented detection sensitivity and accuracy.
Researchers at the University of Ottawa have demonstrated a new phenomenon where a laser beam casts a visible shadow, similar to traditional shadows. The study's findings suggest that under certain conditions, light can block other light, creating this effect.
Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The discovery challenges traditional understanding of shadows and opens new possibilities for technologies controlling light.
Researchers at UCF are developing a compact semiconductor light source that can disinfect rooms with UV-C light, suitable for defense and civilian use. The laser device aims to last up to 10,000 hours, overcoming its current short lifespan.
Researchers at Chalmers University of Technology have developed a system that uses a silent amplifier and record-sensitive receiver to pave the way for faster and improved space communication. The system opens up new communication opportunities in space, allowing for error-free data transmission over long distances.
A recent study found that effective physician-patient communication during the initial consultation helps patients manage their uncertainties, including fears, anxieties, and confidence in coping with their condition. The study revealed that informational competence and socioemotional communication competence are crucial for reducing p...
Research has made significant progress in fluoride laser ceramics, offering improved performance and applicability as laser gain media. However, future research should focus on optimizing optical quality, reducing preparation costs, and exploring new matrix materials and rare earth ion-doped compounds.