Researchers at HSE University identified universal critical indices for calculating fibre laser characteristics and operating regimes. The study enables predictions of laser parameters and facilitates optimisation for various applications.
Researchers develop laser solid-phase synthesis technique to produce graphene-shell encapsulated CrMnFeCoNi nanoparticles, exhibiting excellent electrocatalytic activity towards oxygen evolution reaction. The method offers simplicity, generality, and tunability to synthesize phase-separation-free HEA nanoparticles.
Researchers developed a new crystal rod design that improves heat dissipation and reduces thermal lensing effects, resulting in higher laser output power and efficiency. The concave YAP/Tm:YAP/YAP bonding rod produced the highest quality laser beam, enabling high-performance near-infrared lasers.
Researchers at ETH Zurich have set a new record for the strongest laser pulses, surpassing previous records by over 50%, using a special arrangement of mirrors and a semiconductor mirror. The pulses can be used to create high harmonic frequencies up to X-rays, enabling fast processes in the attosecond range.
The SNU-KAIST joint research team developed a novel visible light communication encryption technology with high security using chiral nanoparticles. This technology uses unclonable nanoparticles like fingerprints to encrypt information, making it impossible to intercept without detailed information about the nanoparticles.
The researchers combined an NV diamond with a laser diode in an optical resonator, successfully demonstrating the sensor system with two active media. This breakthrough enables high-contrast sensors to measure biomagnetic signals from the brain or heart with improved sensitivity and dynamic range.
A team of scientists developed a new method for 3D nanolithography using low peak power laser oscillators, enabling the creation of non-photosensitized materials without photo-initiators. Wavelengths of 517 nm, 780 nm, and 1035 nm are suitable for producing 300 nm polymerized features with high linear writing speeds.
Scientists at Shanghai Jiao Tong University created a novel glucose sensing system using heterogeneous CuxO nano skeletons from electronic waste. The method employed laser-induced transfer techniques to fabricate electrodes with high sensitivity and stability, achieving detection limits of 0.34 μM.
Scientists at TU Wien and JILA/NIST have successfully created the world's first nuclear clock, leveraging thorium atomic nuclei to achieve ultra-high precision measurements. The breakthrough combines a high-precision optical atomic clock with a high-energy laser system, setting the stage for future improvements in precision.
A study by Washington State University researchers found that more communication with parents generally leads to better relationships, but parents should avoid always initiating it. Phone, text, video or in-person communication makes students feel better about their relationship with parents.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have developed a novel method to measure the structure of microbunched plasma-wakefield-accelerated electron beams using metal foil. This technique enables precise control over the electron bunches, leading to brighter and more stable light in free-electron lasers.
Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.
A new fabrication method has been developed to create highly sensitive flexible capacitive pressure sensors. The technique uses laser speckle grayscale lithography and results in sensors with ultra-high sensitivity and low detection thresholds.
A new study from North Carolina State University uncovers the crucial role of position in successful communication dynamics within a large organization. Researchers identified 'shortcuts' across the hierarchy that enable information to flow more quickly than traditional stepwise communication.
Researchers developed a new spectroscopy method using tunable lasers, enabling precise tracking of the laser's color at every point in time. The technique offers higher power and spectral stability compared to existing methods, making it suitable for various applications including LIDAR and spectroscopy.
A research team at Heidelberg University has successfully developed a new generation of biocompatible materials for additive manufacturing using microalgae. The materials were extracted from the raw materials of diatom and green alga species and proved to be suitable as inks for high-resolution 3D laser printing.
Researchers demonstrate high-performance micromachining of single crystalline sapphire using GHz burst mode femtosecond laser-induced plasma assisted ablation. The process achieves higher ablation efficiency, improved quality and better fabrication resolution compared to single-pulse mode laser direct ablation.
Researchers demonstrate GHz burst mode femtosecond laser-induced plasma assisted ablation for super-resolution machining of single crystalline sapphire, achieving higher ablation efficiency and quality. The process enables direct interaction of subsequent laser pulses with plasma generated by preceding pulses, resulting in improved fab...
Researchers developed a new two-photon polymerization technique using two lasers to reduce the power requirement of femtosecond lasers. This approach enables increased printing throughput and lower cost, impacting manufacturing technologies in consumer electronics and healthcare sectors.
South Korean researchers have successfully developed technology to mass-produce quantum dot lasers, widely used in data centers and quantum communications. The ETRI Optical Communication Components Research Section has developed indium arsenide/gallium arsenide (InAs/GaAs) quantum dot laser diodes on gallium-arsenic (GaAs) substrates.
Korean researchers at ETRI showcased a service mesh technology that improved communication delay by more than 80% in cloud-native 6G mobile networks. This technology reduces existing networking procedures and adopts high-speed communication methods, enabling faster and more efficient 6G services.
A new study highlights the potential of ultrafast laser processing in manipulating 2D materials, enabling precise control over material properties at the nanoscale. This technology has the potential to drive new advancements in photonic, electronic, and sensor applications.
Researchers at Stanford University have developed a chip-scale Titanium-sapphire laser, four orders of magnitude smaller and three orders less expensive than traditional lasers. This breakthrough enables mass production on wafers, potentially thousands of lasers per disc, democratizing access to these powerful tools.
Researchers developed a chip-scale erbium-doped waveguide laser that approaches fiber-based laser performance, featuring wide wavelength tunability and stable output. The breakthrough enables low-cost, portable systems for various applications including telecommunications, medical diagnostics, and consumer electronics.
A University of Eastern Finland study reveals top IT managers have differing views on face-to-face communication in the workplace. While some believe digital communication suffices for tasks, others emphasize its importance for complex projects and community building.
Researchers synthesized novel Ho,Pr:YAP and Er:YGGAG crystals using the Cz method, improving continuous-wave laser performance through thermal bonding technology. This enables the development of all-solid-state mid-infrared lasers with improved efficiency and tunability.
Researchers create cutting-edge all-optical single-shot probing technique to capture target dynamics from cold solid to overdense plasma. The new method provides unprecedented insight into interplay of fundamental processes such as ionization dynamics and plasma hydrodynamic expansion.
The HZDR team has made a significant advance in laser plasma acceleration, achieving energies of up to 150 MeV for protons. This breakthrough opens up promising applications in medicine and materials science, including new radiobiological concepts for tumor treatment.
Researchers have developed an efficient single pixel imaging scheme using a compact fiber laser array and untrained deep neural network. The system enables rapid speckle projection and reconstructs high-quality images, making it suitable for remote sensing and target detection applications.
Researchers used laser treatments to transform ordinary cork into a powerful tool for treating oil spills. The laser-treated cork collected oil out of water within 2 minutes and kept water out, making it easier to extract the oil.
Researchers achieve tunable ultrafast laser state active controlling by utilizing anisotropic quasi-1D material Ta2PdS6. The material enables the sustainment of two distinct laser states: conventional soliton (CS) and noise-like pulse (NLP). Numerical simulation reveals the mechanism behind the switchable laser state.
Researchers have developed a technique to focus ultra-intense ultrashort lasers onto a single wavelength using rotational hyperbolic mirrors. This breakthrough enables the highest intensity condition for ultra-intense ultrashort lasers, revolutionizing strong-field laser physics applications.
A team of researchers from the Chinese Academy of Sciences has successfully developed a high-power, narrow-linewidth solid-state deep ultraviolet laser at 193 nm using LBO crystals. The generated DUV laser exhibits an average power of 60 mW and a linewidth of approximately 640 MHz, setting new benchmarks in efficiency values.
Scientists at Tohoku University create a tiny spot in glass using a tailored laser beam, enabling precise processing at scales below 100 nanometers. The breakthrough opens up new possibilities for laser nano-processing in various industries and scientific fields.
Recent research on direct laser writing (DLW) on halide perovskites reveals six interaction mechanisms between laser and perovskite. The technique's great potential for various applications is attributed to the flexibility of laser parameters and perovskite properties.
Scientists from TIFRH successfully generate MeV temperature electrons at a fraction of the previously thought necessary laser intensity. The technique uses two laser pulses to create tiny explosions in microdroplets and accelerate electrons to megaelectronvolt energies.
Researchers have successfully generated a stable high-intensity and high-repetition supercontinuum white light source in air using femtosecond laser filamentation with an external DC electric field. This method suppresses thermal jitter by generating an ionic wind, improving beam pointing stability and signal-to-noise ratio.
Researchers from the University of Rochester's Laboratory for Laser Energetics demonstrated an effective 'spark plug' for direct-drive methods of inertial confinement fusion (ICF), achieving a plasma hot enough to initiate fusion reactions. The successful experiments use the OMEGA laser system, with the goal of eventually producing fus...
The development of a compact microchip laser system paves the way for simple benchtop preparation and direct use of metal nanoparticles in catalytic reactions. The study reveals that the microchip laser exhibits high ablation efficiency despite having smaller pulse energy compared to conventional lasers, making it an attractive alterna...
Researchers have successfully generated high power fiber lasers at 1.2 μm waveband using stimulated Raman scattering effect in phosphorus-doped fibers, achieving record-breaking output powers of up to 735.8 W. This breakthrough has significant implications for photodynamic therapy, biomedical diagnosis, and oxygen sensing applications.
Researchers at Light Publishing Center created a thin disk oscillator to generate 100-W high-power optical vortex beam. The technique uses transverse mode competition and control to achieve high power output, enabling efficient material processing and exploring new parameter space associated with structured light.
Researchers use water as a nonlinear medium to create a supercontinuum white laser covering an impressive spectral range from UV to far infrared. The resulting ultrabroadband source has potential in ultrafast spectroscopy, hyperspectral imaging, and scientific research.
A team of Chinese researchers has developed an ultrathin optical crystal with high energy efficiency, revolutionizing next-generation laser technology. The twist boron nitride (TBN) crystal has a micron-level thickness and outperforms traditional crystals by 100 to 10,000 times in terms of energy efficiency.
Researchers have developed a method to coherently tile multiple titanium:sapphire crystals together, breaking through the current 10-petawatt limit. This technology enables ultra-intense ultrashort lasers with high conversion efficiencies, stable energies, and broadband spectra.
Researchers at INRS's Advanced Laser Light Source Laboratory have discovered that ultrafast lasers can accelerate electrons to MeV ranges, opening the door to more effective use of radiation therapy in oncology. This breakthrough has major implications for medical physics and could lead to better cancer treatments.
Researchers at Tohoku University developed a new method for creating transparent magnetic materials using laser heating, addressing the challenge of integrating magneto-optical materials with optical devices. The breakthrough enables the creation of compact magneto-optical isolators and miniaturized lasers.
The researchers successfully created a stable hybrid laser by 3D printing micro-optics onto fibers, reducing the size and cost of traditional lasers. The new design enables high-power laser sources with compactness and robustness, opening up opportunities for applications such as autonomous vehicles, medical procedures, and lithography.
Researchers developed a novel method to optimize pump wavelength, reducing ESA-induced absorption and increasing pump quantum efficiency. This approach achieved higher laser output and slope efficiency compared to conventional pumping schemes.
The University of Rochester's Laboratory for Laser Energetics leads a new national research hub focused on advancing inertial fusion energy science and technology. The IFE-COLoR hub aims to overcome laser-plasma instabilities, a major obstacle in achieving efficient laser coupling for inertial confinement fusion.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have identified a promising phenomenon where certain iron alloys can be magnetized using ultrashort laser pulses. The team has now expanded its findings to an iron-vanadium alloy, revealing a new class of materials with potential applications in spintronics and magnetic sensors.
A study published by Nemours Children's Health found that laser epilation significantly reduced the risk of recurrence in patients with pilonidal disease. The procedure was compared to standard care, showing a 33% lower rate of recurrences in patients who received laser epilation.
Researchers have developed graphene-based e-textiles with world-class electrical conductivity using ultrashort pulse laser processing. The technology enables environmentally friendly mass production of customized e-textiles, paving the way for industrial and military applications.
Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.
Researchers successfully extend lasing beyond the fluorescence spectrum of Yb-doped La2CaB10O19 crystal through phonon engineering. Theoretical calculations predict a broadband emission spectrum with increased phonon numbers, demonstrating potential for self-frequency doubling and various applications.
Researchers at DESY have developed a method to deflect laser beams in air without contact, preserving the beam's quality. The technique uses acoustic density waves to create an invisible grating that changes the direction of the laser light.
Scientists at the University of St Andrews have developed an electrically driven organic semiconductor laser, overcoming a decades-long challenge. This breakthrough has significant implications for various industries, including communication, medicine, and manufacturing.
Researchers at ETRI successfully developed the world's first Subterranean Magnetic Field Communication Core Technology, enabling voice signal-level capacity up to 40 meters below the Earth's surface. This technology promises to bring substantial changes to the underground mining industry by facilitating communication during emergencies...
A new laser-based process chain has been developed to fabricate fused silica optics with high laser-induced damage thresholds, overcoming conventional manufacturing limitations. The process uses CO2 lasers for uniform layer-by-layer surface removal, precisely eliminating subsurface mechanical damage and surface/subsurface contamination.
Scientists at EPFL's Galatea Laboratory have successfully created a miniature, all-glass femtosecond laser using a commercial femtosecond laser. The device features improved alignment capabilities thanks to the use of glass expansion and shrinkage techniques.
The ETRI has set a global standard for NFC-based internet communication, allowing for secure data transmission and paving the way for new markets. This technology enables payment environments between NFC devices to leverage internet-based communication, making offline merchants' existing NFC payment services more convenient.