Articles tagged with Laser Systems
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
The study demonstrates the enhancement of light amplification in perovskite nanosheets, paving the way for advances in optoelectronics and other applications. The researchers achieved this by creating a patterned waveguide, which improved optical confinement and heat dissipation.
A research team developed an innovative optical technique, 'spectrum shuttle,' to produce and shape GHz burst pulses. The method facilitates ultrafast imaging within subnanosecond timescales, enabling analysis of rapid phenomena.
A team of researchers at Tohoku University has developed a novel visualization method to study the behavior of hydrogen atoms in alloys. They successfully filmed the flow of hydrogen atoms in pure nickel, revealing that they preferentially diffuse through grain boundaries with large geometric spaces.
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.
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.
Embedding nanodiamonds in polymer can advance quantum computing and biological studies. The technique, developed at the University of São Paulo, enables integration of quantum emitters into photonic devices and cell marking applications.
Researchers conducted pump-probe experiments to clarify the reaction mechanism and dynamic process of high explosives. The studies employed advanced techniques like dynamic flyer imaging, X-ray diffraction, and ultrafast dynamics, enabling the investigation of internal deformation, phase transition, and ultrafast dynamics.
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 team of researchers at EPFL has successfully challenged the reliability of acoustic monitoring for detecting defects in laser additive manufacturing. By analyzing shifts in the acoustic signal during regime transitions, they identified defects in real-time, providing a cost-effective solution to improve product quality and integrity.
Researchers at the University of Basel have developed a system that combines three functions: cutting bone, controlling depth, and differentiating tissue types. This autonomous system uses three lasers to make precise incisions with minimal human interference.
Researchers developed a novel laser-induced hydrothermal reaction method to grow binary metal oxide nanostructures and layered-double hydroxides on nickel foams. This technique improves the production rate by over 19 times while consuming only 27.78% of the total energy required by conventional methods.
A team of researchers has developed a fast method to track surface location and adjust optical focus simultaneously without mechanical movement. The dynamic z-scanning technique reduces defocused laser pulses and increases processing speed when processing non-flat or changing samples.
Scientists from UniSA, UoA and Yale University successfully scale up power in fibre lasers by three-to-nine times while maintaining beam quality. This breakthrough could have significant implications for remote sensing, gravitational wave detection and the defence industry.
Engineers at MIT have developed a new laser-based technique to probe metamaterial structures with ultrafast pulses, enabling the dynamic characterization of microscale metamaterials. The LIRAS system excites and measures vibrations in hundreds of miniature structures within minutes, accelerating the discovery of optimal materials for a...
A new technology enables the printing of complex robots with soft, elastic, and rigid materials in one go. This allows for the creation of delicate structures and parts with cavities as desired.
Scientists have created a method to keep targeted particles cool, allowing safe trapping of living cells in their native fluids. This advancement could help overcome problems with current laser light tweezers and enable targeted drug delivery applications.
The development of a new photonic technique enables the precise control of photonic angular momentum, allowing for the efficient recognition and real-time control of total angular momentum modes. The technique, which involves the symmetrical cascading of two units, has been experimentally demonstrated to recognize up to 42 individual T...
A team of researchers proposes a novel approach to generate three-dimensional holograms directly from regular 2D color images captured using ordinary cameras. This approach utilizes deep learning to transform the image into data that can be used to display a 3D scene or object as a hologram.
Researchers at Ohio State University have detected a previously unknown physics phenomenon, the orbital Hall effect, which could revolutionize data storage in future computer devices. The study's findings suggest that utilizing orbital currents instead of spin currents could lead to lower energy consumption and higher speeds.
A coordinated network of space lasers could prevent collisions with manned and unmanned space assets by nudging debris off potential collision courses. The artificial intelligence-powered lasers can maneuver and work together to respond rapidly to debris of any size.
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.
A wearable optical device using laser speckle imaging detects peripheral vasoconstriction caused by postpartum hemorrhage, providing an early warning system. The device shows promise in detecting heavy bleeding before it becomes severe, with a highly sensitive response to blood flow changes.
Researchers at Chalmers University of Technology have developed a new method to increase the efficiency of microcombs, raising their efficiency from around 1 percent to over 50 percent. This breakthrough enables high-performance laser technology for various applications in space exploration, healthcare, and other industries.
A new laser-based sampling system allows for higher depth resolution, enabling scientists to reconstruct continuous annual temperature changes thousands of years ago. The LMS system overcomes previous limitations in sampling ice cores, preserving critical oxygen and hydrogen isotopes needed to infer past temperatures.
The new fabrication approach allows for the creation of a stretchable dipole antenna that can be used in wearable medical devices, separating mobile devices via flexible antennas to form a wireless body-area network. The resonant frequency of the antenna can be tuned by varying applied strain.
Chung-Ang University researchers create an electrochemical DNA biosensor that detects HPV-16 and HPV-18 with high specificity, facilitating early diagnosis of cervical cancer. The sensor uses a graphitic nano-onion/MoS2 nanosheet composite to enhance conductivity.
Scientists at Beijing Institute of Technology have developed an ultrafast quasi-three-dimensional technique, enabling higher dimensions to analyze ultrafast processes. This method breaks through the limitations of original observational dimensions, enhancing our ability to analyze ultra-fast processes comprehensively.
Researchers use surface normal nonlinear photodetector to improve speed and energy efficiency of diffractive optical neural networks. The new device can perform high-speed image and video processing at the speed of light in an extremely energy efficient manner.
A new type of ultrafast laser technology is being developed to create high-precision microstructures, such as those needed for smartphone displays. The project aims to make the technology cheaper and more efficient, with potential applications in glass processing, polymer ablating, and future laser surgery.
Researchers develop low-cost 3D nanoprinting system with nanometer-level accuracy for printing microlenses, metamaterials, and micro-optical devices. The system uses a two-step absorption process and integrated fiber-coupled laser diode, making it accessible to scientists beyond optical experts.
UVA professor Patrick Hopkins is developing a 'freeze ray' technology to cool electronics in spacecraft and high-altitude jets, which can't be cooled by nature due to the vacuum of space. The technology uses heat-generating plasma to create localized cooling, and has been granted $750,000 by the Air Force.
Bound states in the continuum (BICs) provide a generalized approach to achieve extremely high-Q resonant cavities. BICs offer powerful mechanisms for enhancing light-matter interactions and have been explored in various photonic structures over the past few decades.
Researchers develop a new technique to detect circulating tumor cells in blood, overcoming noise issues with existing methods. The dual-ratio approach enhances penetration range and accuracy, paving the way for quicker diagnosis of metastasis.
Researchers have proposed an innovative solution to address limitations of lidar technology, enabling imaging in low SNR environments. The novel technique uses a high-scanning speed AOD and metasurface-enhanced scanning lidar, extending ambiguity range by up to 35 times.
A team of researchers from EPFL has found a way to harness the unique features of chaotic frequency combs to implement unambiguous and interference-immune massively parallel laser ranging. This innovative approach offers significant advantages over conventional methods, enabling hundreds of multicolor independent optical carriers.
Researchers developed a new approach to create a wideband microwave absorption metamaterial using ultraviolet lasers, achieving high absorption performance and control over electrical and magnetic properties. The process enables mass production of complex structures without post-treatment.
Researchers discovered bimetallic tartrate complexes with unique structures, formed by insufficient ligand, leading to improved sensor characteristics for microbiosensors. The study showcases the potential of laser-induced chemical liquid phase deposition for creating nanostructures with various applications.
Fiber sensing scientists from Shenzhen University have developed an encrypted fiber optic tag that can be used for all-optical labeling and recognition of optical transmission channels. The team proposed a method using fiber Bragg grating arrays prepared by femtosecond laser direct writing to flexibly store different coding sequences.
The researchers have demonstrated significant improvements for chip-based sensing devices that can detect or analyze substances across widely varying concentrations. They developed signal-processing techniques that enable seamless fluorescence detection of a mixture of nanobeads in concentrations across eight orders of magnitude.
Researchers at NIST have demonstrated a capability to transmit extremely precise time signals through the air between far-flung locations, paving the way for ultra-precise timing links with geosynchronous satellites. The method enables time synchronization with femtosecond precision and robustness in atmospheric disturbances.
F. Ömer Ilday brings ultrafast lasers expertise to Ruhr University, focusing on materials science and complex laser-matter interactions. He aims to establish a new center for interdisciplinary collaborations and promote start-ups.
Researchers at the University of Tsukuba created a liquid droplet-based laser that remains stable under ambient conditions and can be tuned using gas convection. The development enables the creation of flexible optical communication devices with potential applications in airflow detectors and fiber-optics communications.
Researchers have developed a custom OCT setup that incorporates a vertical cavity surface emitting laser (VCSEL) diode, which could increase access to OCT imaging and help catch eye problems early. The system performed well in imaging the eye of a healthy volunteer and showed potential for use in biometric eye scanner systems.
Researchers have successfully demonstrated terahertz wireless communication using a micro-resonator soliton comb, which can potentially overcome technical limitations in current wireless electronics and enable seamless connections between optical and wireless communication systems. The study achieved data transmission rates of up to 2 ...
A new publication demonstrates the use of laser direct writing to create flexible humidity sensors based on Ga2O3 and liquid metal. The sensors show a highly stable performance with rapid response and recover time, making them suitable for healthcare monitoring applications.
The City University of Hong Kong has developed a novel electron microscope that combines scanning and transmission electron microscope modes in a compact format. The device can produce high-resolution images in five minutes, enabling the study of atom dynamics and beam-sensitive materials.
Scientists create a simple approach to fabricating highly precise 3D aperiodic photonic volume elements (APVEs) for various applications. The method uses direct laser writing to arrange voxels of specific refractive indices in glass, enabling the precise control of light flow and achieving record-high diffraction efficiency.
A 6-year grant of $1.65 million will support a training program for ultrafast laser science and technology, connecting university researchers and industry partners across Canada. The TrUST project aims to develop knowledge networks and practices in this field, promoting socio-economic development and innovation.
Researchers have developed a new type of OLED display that uses strong coupling of light and matter to improve color saturation and brightness. The displays, known as polariton-based OLEDs, achieve this without compromising efficiency or viewing angle dependency.
Direct incorporation of a metasurface in a laser cavity enables spatiotemporally modulated laser pulses. Giant nonlinear saturable absorption allows pulsed laser generation via Q-switching process.
Researchers at the University of Maryland successfully guided a 45-meter-long beam of light through an unremarkable hallway, pushing the limits of an innovative technique. The team utilized ultra-short laser pulses to create a plasma that heated air, forming a high-density core and enabling efficient light delivery.
Researchers at UMD successfully guided light in a 45-meter-long air waveguide, creating a high-density core to guide a laser. The technique utilizes ultra-short laser pulses to create a plasma that heats the air, expanding it and leaving a low-density path behind.
Researchers at Brookhaven National Laboratory demonstrate a new color-shifting strategy that relies on interactions between lasers and vibrational energy in ionic liquids. The method offers an efficient and customizable approach to shift laser colors, with applications in science, industry, and medicine.
A University of Maryland-led team developed a miniaturized analyzer to detect signs of life on other planets. The instrument combines a pulsed ultraviolet laser with Orbitrap analysis to identify chemical structures in planetary samples.
Researchers at CELIA have developed a laser drilling method that creates elongated, crack-free micro-holes in glass. This breakthrough allows for high-aspect ratio holes with smooth inner walls, enabling new applications in microelectronics.
A new parallel peripheral-photoinhibition lithography system has been developed, enabling the fabrication of subdiffraction-limit features with high efficiency. The system uses two beams to excite and inhibit polymerization, allowing for nonperiodic and complex patterns to be printed simultaneously.
Researchers developed an all-optical approach to pumping chip-based nanolasers, enabling dense arrays of highly precise devices. This method could aid in meeting the growing need for faster data processing, streaming ultra-high-definition movies and gaming.
Researchers achieved unprecedented extreme physical conditions using a 100 PW laser system, enabling new applications and fundamental science. The system features an OPCPA front end that supports peak powers of 263 TW and pulse durations as short as 13.4 fs.
Researchers combined ultrafast imaging with 3D atomistic simulation to study femtosecond laser ablation. The technique revealed the ablation mechanism of bulky gold at different excitation energy flow densities, providing guidance for material fabrication.
Researchers developed a laser-based approach to perform microbiopsies, enabling fast, painless tissue sampling with minimal damage. The novel technique uses laser ablation to extract tiny tissue volumes, which can be analyzed using virtual H&E imaging and other techniques in minutes, not hours.