Articles tagged with Laser Systems
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...
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.
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 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.
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.
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 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.
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.
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.
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.
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.
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.
Researchers at Weizmann Institute create innovative method to track rapid material changes using two laser beams, enabling precise reconstruction of optical delay changes. This advance could lead to the development of fastest processors possible, increasing data transmission speed.
Researchers at Johns Hopkins University Applied Physics Laboratory have discovered a new way to strengthen titanium alloys using AI, enabling faster production and improved mechanical properties. The breakthrough has implications for industries such as shipbuilding, aviation, and medical devices.
UC Santa Barbara researchers develop photonic integrated 3D-MOT, a miniaturized version of equipment used to trap and cool atoms. This innovation enables new applications in sensing, precision timekeeping, and quantum computing, and paves the way for accessible quantum research projects.
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.
Researchers developed new photon avalanching nanoparticles that exhibit high nonlinearities, overcoming challenges in realizing intrinsic optical bistability at the nanoscale. The breakthrough paves the way for fabricating optical memory and transistors on a nanometer scale comparable to current microelectronics.
A research team at POSTECH developed a synthesis method that precisely controls the size and shape of perovskite nanocrystals using liquid crystalline antisolvents. The method produces uniformly sized particles without additional purification processes, accelerating commercialization of optoelectronic devices.
Researchers have developed microcomb technology to miniaturize optical atomic clock systems, offering significant benefits for navigation, autonomous vehicles, and geo-data monitoring. The new system uses integrated photonics to integrate optical components on tiny photonic chips, reducing size and weight.
A new laparoscopic imaging technique uses stereo depth estimation and speckle-illumination SFDI to accurately map the optical properties of biological tissue. The device provides detailed optical property maps, enabling surgeons to identify critical tumor margins and improve clinical outcomes.
A new optical technology developed at UC Riverside enables gravitational-wave detectors to reach extreme laser powers, overcoming limitations that hinder the detection of cosmic phenomena. This breakthrough is expected to significantly expand our view of the universe, particularly in the earliest stages of its history.
Relativity Networks develops patent-pending HCF cable that transmits data nearly 50% faster than conventional glass fiber, expanding data center geographical optionality. UCF's College of Optics and Photonics supports the innovation through industry partnerships and research collaborations.
The American Heart Association and the National Football League are awarding $1,000 grants to support physical activity in local schools. The grants aim to encourage students to move for at least 60 minutes each day through the NFL PLAY 60 app, available on iOS and Android devices.
A team at JILA created a tabletop microscope that uses high-energy DUV laser light to create nanoscale interference patterns on a material's surface, allowing for detailed studies of electronic, thermal, and mechanical properties. This capability enables the study of materials like diamond with unprecedented spatial resolution.
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.
A novel dual-wavelength fiber laser biosensor system leveraging microwave photonics demodulation technology enables high-resolution tumor marker detection. The system exhibits higher sensitivity, resolution, and real-time detection accuracy compared to traditional methods, with a detection limit of 0.076 ng/mL.
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 MIT have created a new magnetic state in an antiferromagnetic material using terahertz laser light, enabling controlled switching and potentially leading to more efficient memory chips. The technique provides a powerful tool for manipulating magnetism and advancing information processing technology.
A new film made from a thorium precursor could replace crystals in atomic clocks, enabling more accurate time measurements. The film requires much less thorium-229 and is about as radioactive as a banana, paving the way for smaller, more portable, and cheaper nuclear clocks.
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.