Articles tagged with Laser Systems
Researchers at WVU are developing new laser-based techniques to observe plasma behavior in unprecedented detail, allowing them to examine how charged particles and energy move between plasmas and material surfaces. This study could lead to improved understanding of plasma sheaths and their role in surface wear and material lifetime.
Researchers have developed a polymer-based microring resonator array with over 40 elements, demonstrating broadband acoustic detection and fine spatial resolution. The system achieved strong correspondence with biological structures, including blood vessel regions, in imaging mouse prostate tissue.
A new laser-based process is set to revolutionize photonics manufacturing by removing manual calibration, which accounts for over half of production costs. The technology promises faster, cheaper, and precise manufacturing at sub-micron tolerances.
Researchers leveraged a surprise discovery to devise a new bioimaging method that captures 3D images of the human blood-brain barrier 25 times faster than existing technology. This technique enables scientists to test whether new drugs for neurodegenerative diseases reach their targets in the brain.
A team of physicists has discovered a way to boost the intensity of high-power laser light, opening up new possibilities for experiments in quantum electrodynamics. The breakthrough uses an unusual process to create extremely bright ultraviolet light, which can be focused into a tiny point creating immense energy concentration.
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 team of researchers developed a machine learning framework to optimize laser settings for printing crack-susceptible superalloys. The algorithm reduced internal crack density by 99% and increased the metal's high-temperature strength, surpassing traditional cast components.
A clinical trial aims to evaluate whether laser therapy reduces vaginal dryness caused by breast cancer treatment. The study, REVITALIZE, plans to enroll approximately 250 women with a history of breast cancer who experience moderate to severe vaginal dryness.
Scientists at Chiba University developed a simple method to generate high-quality optical bottle beams that remain concentrated over long distances. The technique uses a binary axicon and a flat multilevel diffractive lens to create sharp light structures.
The study measures ultrafast electron dynamics in hydrogen molecules, observing oscillations in hole localization that depend on the delay between attosecond pulses. Entanglement occurs at the expense of electronic coherence in the remaining ion.
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.
Researchers developed a compact optical wireless transmitter that combines high data rates with improved energy efficiency. The system uses a 5x5 array of lasers to transmit data in parallel, achieving aggregate data rates of up to 362.7 gigabits per second.
Researchers at UMass Amherst have made a breakthrough in shrinking the size of quantum computers by integrating laser systems onto photonic chips. This technology has the potential to enable large-scale quantum computing and make optical clocks portable, with applications in fields such as deep space navigation and GPS.
Researchers from UCSB and UMass Amherst successfully integrated stabilized laser chips with a room temperature trapped ion qubit, enabling compact and portable quantum systems. This breakthrough paves the way for applications in quantum sensing, computing, and fundamental science.
Researchers have created a dark, rubbery film that combines physical textures with light-absorbing nanotubes to keep surfaces ice-free at -50 °C. The film operates using a two-tier defense mechanism, providing both passive and active anti-de-icing capabilities.
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.
Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies. The device could enable scientists to observe phenomena currently out of reach, such as following fuel molecules in real time as they undergo combustion, spottin...
The Hebrew University team designed an adiabatic transition to convert multiple few-mode sources into a single multimode fiber, enabling efficient combining of dozens of small semiconductor lasers. The technology simplifies high-power laser systems and optical communications, preserving brightness and easing alignment constraints.
Researchers at Politecnico di Milano and CNR have developed a new ultrafast computer technology controlled by light, potentially hundreds of times faster than traditional electronics. The technology manipulates the state of electrons in matter using oscillating light, enabling operations at rates above 10 terahertz.
Researchers at the University of Colorado Boulder have developed high-performing optical microresonators that can trap light and build up its intensity. By guiding light smoothly through the resonator, they dramatically reduced light loss, allowing photons to circulate longer and interact more strongly inside the device.
A hierarchical 3D LiDAR localization method improves robot positioning in large outdoor spaces even after seasonal changes. The method integrates deep learning techniques to extract discriminative local features from 3D point clouds, making it robust to environmental variability.
A new terahertz spectroscopy system combines high spectral resolution with micrometer-level spatial resolution, enabling the study of complex light-matter interactions. The system achieved a spatial resolution of 20 µm and a spectral resolution of up to 100 MHz.
Researchers reviewed recent advances and perspectives of TFLN-based detectors, outlining physical mechanisms for photodetection and implementation schemes. Direct material modification techniques expand the photodetection mechanism and application scope of lithium niobate materials.
Researchers at CU Boulder have introduced a solution to improving desalination plant performance by observing in real-time membrane fouling using SRS. The technique helps maximize filtration efficiency and reduce energy use, making it crucial for ensuring global access to clean water.
Researchers have developed a nearly 100 times smaller device that can efficiently control lasers required for thousands of qubits, unlocking potential for larger quantum computers. The device uses microwave-frequency vibrations to manipulate laser light with extraordinary precision.
Researchers have demonstrated how controlling the structure of photons in space and time enables tailored quantum states for next-generation communication, sensing, and imaging. This breakthrough offers new pathways for high-capacity quantum communication and advanced technologies.
Researchers at Fraunhofer IOF have developed a single-material cladding light stripper with self-adapting behavior, overcoming nonlinear effects and heat buildup in thulium fiber lasers. The design enables over 20 W of stripped signal light at 2 µm and up to 675 W at 793 nm, setting a new record for single-material CLS designs.
Astronomers have successfully installed lasers on the eight-metre telescopes at Paranal, enabling the creation of an artificial star to correct atmospheric blur. This upgrade unlocks a greater observing power and wider sky coverage for the VLTI, allowing for deeper observations of faint targets.
Scientists at Max Born Institute and DESY develop a plasma lens that focuses attosecond pulses, improving the study of ultrafast electron dynamics. The technique offers high transmission rates and allows for focusing light across different colors.
UC Riverside-developed FROSTI system allows precise control of laser wavefronts at extreme power levels, opening a new pathway for gravitational-wave astronomy. This technology expands the universe's view by a factor of 10, potentially detecting millions of black hole and neutron star mergers with unmatched fidelity.
Researchers mapped key aspects of electron pulses that can generate laser-like X-ray pulses, improving access to XFELs. The technique enables studying molecule behavior in detail and advancing fields like chemistry and medicine.
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.
Researchers at the University of Rochester have developed a new type of solar thermoelectric generator that can harness thermal energy in addition to sunlight. The device is 15 times more efficient than current state-of-the-art devices, making it a promising source of renewable energy.
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 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...
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.
Fraunhofer Institute for Applied Solid State Physics has developed a semi-automated process for producing quantum cascade laser modules with MOEMS and EC, simplifying production and reducing costs. The technology enables spectral tunability and high brilliance, making it suitable for various spectroscopy 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.
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.
Researchers have developed a new platform using dispersion-managed silicon nitride microresonators to suppress timing jitter, achieving femtosecond-level precision. This breakthrough enables the deployment of chip-scale solitons in space navigation, ultrafast data networks, and quantum measurement systems.
Researchers at Kobe University have created a single-pixel camera that can record three-dimensional holographic movies, even through tissues. The camera uses a high-speed digital micromirror device to project patterns required for recording the hologram, enabling the capture of moving objects and images outside the visible spectrum.
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 developed a 3D micro-printed sensor that uses whispering-gallery-mode microlasers to detect biomarkers with attogram per milliliter sensitivity. The sensors' unique Limacon-shaped design improves efficiency and enables on-chip integration, making them suitable for high-performance lab-on-a-chip devices.
Researchers at the University of Turku developed a simple, eco-friendly approach to fabricate optical microcavities, allowing for precise study of polaritons and potential applications in ultra-efficient lasers and quantum optics. This innovation makes quantum and photonics research more accessible and energy-efficient.
The FAU Center of Excellence will focus on developing advanced algorithms, secure hardware solutions, and workforce development to address the strategic gap in electromagnetic spectrum management. This initiative aims to produce innovative technologies to protect and control critical communication channels in contested environments.
Scientists studied charge transport through organic light-emitting diodes using electronic sum-frequency generation spectroscopy. The study found changes in spectral signal intensities when applying voltages, indicating different internal charge flow across the organic layers.
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.
Engineers at Duke University have demonstrated a method to create stable optical knots using laser beams, which could be used to transmit encoded information or measure turbulence in pockets of air. The team found that by adding more squiggles to the knot's features, they could make it stable for longer and resist degradation.
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.
Scientists have created a new method to create silver telluride colloidal quantum dots that overcome challenges of high dark current, limited linear dynamic range, and response speed. The team developed the first proof-of-concept SWIR LIDAR using these non-toxic materials, measuring distances over 10 meters with decimetre resolution.
University of Missouri researchers developed a method using lidar and AI to analyze pedestrian, cyclist, and vehicle interactions at traffic signals. The approach aims to enhance driver awareness, reduce accidents, and improve mobility.
Researchers at University of Toronto develop a new framework to optimize laser Directed Energy Deposition (AIDED) for higher quality and more reliable metal parts. The AIDED framework uses machine learning to predict optimal process parameters and enhance the accuracy and robustness of finished products.
The art installation, comprising three metal cubes, was deployed near the Mariana Trench off Japan's coast as part of a seismic sensor system. The cubes feature designs that resonate with communities worldwide and embody nine existential elements common to all humanity.
Researchers at Heriot-Watt University discovered a way to manipulate the optical properties of light by adding a new dimension—time. This breakthrough enables extraordinary light transformations, including amplification and quantum states, with ultra-fast pulses of light.
Scientists at the University of Rochester have discovered a way to create artificial atoms within twisted monolayers of molybdenum diselenide, retaining information when activated by light. This breakthrough could lead to new types of quantum devices, such as memory or nodes in a quantum network.