Articles tagged with Laser Light
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.
Researchers at Kansas State University used ultra-intense X-rays to break up molecules, creating a molecular 'black hole' that pulls electrons away. This discovery may help scientists understand the damage caused by X-ray radiation in biological systems.
Two Clemson University engineers, John Ballato and Lin Zhu, are receiving a combined $3.2 million from the Department of Defense to create high-energy lasers that can be used as weapons. The military has already deployed some lasers as defensive weapons to shoot down incoming missiles and drones.
A new plasmonic sensor developed by researchers at the University of Illinois has been proven reliable to detect biomarkers for many forms of cancer, including lung and prostate cancers. The device uses a combination of plasmonic sensing and optical cavity properties to detect lower concentrations of biomarkers.
The University of Strathclyde researchers have developed a highly efficient laser amplifier using plasma, achieving an amplification gain of over eight orders of magnitude. This breakthrough could lead to the development of ultra-intense and ultra-short laser pulses at a lower cost.
Researchers have devised an ultrafast tunable metamaterial based on gallium arsenide nanoparticles that can be turned on and off quickly, paving the way for ultrafast optical computers. The material consists of semiconductor nanoparticles that concentrate and interact with light efficiently.
Scientists at NASA's Goddard Space Flight Center are developing a space-based sodium lidar to study the complex relationship between the chemistry and dynamics of the mesosphere, which lies 40-100 miles above Earth's surface. The instrument aims to provide higher-resolution data on small-scale dynamics in the upper atmosphere.
Researchers at Duke University and CalTech have developed a hybrid imaging technology that combines light and ultrasound to provide live, holistic views of small animal organs. This technique breaks the resolution and speed barriers in whole-body imaging, enabling functional imaging of entire bodies with sub-millimeter-level resolution.
NIST physicists have solved the puzzle of controlling molecular ions using quantum logic, a technique that also drives an experimental atomic clock. The new method achieves effective control of molecules as laser cooling and other techniques can control atoms.
Engineers have created a transistor that can form an optical-electric switch, enabling faster processing speeds. The device can communicate without interference, overcoming the bottleneck formed by electronic data transmission.
A Stanford team has made significant advancements in developing new materials for quantum computing, enabling the creation of practical systems. By harnessing light and electron interactions, they have created structures that can trap spinning electrons, a crucial step towards making quantum computing a reality.
A new study by University of Notre Dame researchers has led to the development of a test kit for detecting influenza using fluorescent light. The test kit emits red fluorescence when exposed to infected patient samples, indicating the presence of the virus.
Giant larvaceans play a significant role in moving carbon from the upper to deep sea through their 'houses,' which filter tiny particles. Laser technology enables researchers to visualize chambers and passageways inside these structures, revealing higher filtration rates than previously estimated.
Researchers developed a laser phosphor display that can absorb ambient light, generating power while displaying high-resolution images. The system achieves up to 71% energy harvesting, but face challenges with ghost images and design optimization.
Researchers at Kyushu University's CENTER FOR ORGANIC PHOTONICS AND ELECTRONICS RESEARCH (OPERA) reported a breakthrough in developing new organic thin-film lasers that can continuously emit light for up to 30 ms, outperforming previous devices.
Researchers have developed a handheld fiber optic probe that uses nonlinear imaging techniques to diagnose cancer without tissue staining. The probe can acquire multiple images simultaneously and has been tested on various tissue samples, showing promising results for identifying tumor borders.
Scientists have discovered a new phenomenon called the photodielectric effect, which could lead to the creation of laser-controlled touch displays. The discovery uses light to increase the dielectric permittivity of a material, allowing for more efficient energy storage and filtering.
EPFL scientists have found that light plays a crucial role in controlling the morphology of perovskite crystals, leading to improved photovoltaic performance. The study reveals that the presence of light accelerates the formation of perovskites and enhances crystal growth.
Researchers have developed a new solution to tracking objects hidden behind scattering media by analyzing fluctuations in optical 'noise' created by their movement. The approach can advance real-time remote sensing for military and biomedical applications.
The SAVI camera uses laser light to capture high-resolution images of distant objects, eliminating the need for a long lens. The technology has potential applications in visible light imaging, with researchers envisioning real-time, high-resolution capture using this synthetic aperture approach.
Scientists used X-ray laser pulses to investigate how energy from light transforms a molecule, revealing a mechanism for protecting biomolecules against light-induced damage. The research provides insight into excited state proton transfers in DNA and other molecules.
A Brazilian research team developed an optomechanical device that boosts the coupling between light waves and mechanical waves to higher levels than similar devices. This enables the creation of highly customizable sensors for detecting force and motion, as well as potential applications in telecommunications as optical modulators.
Researchers have developed a spectroscopic method using second harmonic generation to detect internal damage in metals. The technique uses green laser light to identify changes in metal properties, potentially distinguishing between intact and damaged parts.
Osaka University researchers used sharp, ultra-short laser pulses to generate charged particles, achieving beams with higher energy and more precise control. The study challenged conventional models, finding that lower-intensity laser light can produce high-energy charged particles.
Researchers used gold spring-shaped coils to enhance interactions between light and chiral molecules, enabling detection of minute amounts. The study's findings have potential applications in pharmaceutical design, telecommunications, and nanorobotics.
Researchers at Oxford University have developed a system to transmit quantum keys, ensuring data security and detecting eavesdropping. The prototype uses movable mirrors and ultrafast LEDs to send secret pin-codes over short distances, improving the security of contactless transactions.
Researchers develop low-cost fabrication process using low-power laser etching to create polymer waveguides, enabling integration of optical sensing onto lab-on-a-chip devices. The new technique also shows promise for other applications requiring precision microstructuring.
Researchers at Lund University developed a method to control extreme UV light using strong laser pulses, allowing for precise manipulation of electron dynamics and light properties. This technique has the potential to revolutionize our understanding of light/electron interactions.
Researchers at Louisiana State University and Lund University have developed a new method to direct short bursts of x-ray light using strong laser pulses. This breakthrough allows for precise control over the properties of the light, including direction and pulse duration.
Researchers at the University of Michigan have developed a transparent silver film that can survive air exposure and maintain its conductive properties. The film has potential applications in touchscreens, flexible displays, and metamaterials for faster computing and data transfer.
University of Utah engineers develop 'computational cannula microscopy' to capture high-resolution images of animal brains using surgical needles and laser light. This non-invasive method shows promise for studying neurological disorders and could lead to a simpler, less expensive alternative to endoscopes for human patients.
A research team has developed a new method for fabricating lasers using nanoparticles known as quantum dots. By carefully controlling the size of the quantum dots, they can 'tune' the frequency or color of the emitted light to any desired value.
Researchers at University of Cincinnati are developing novel nanowire semiconductors with organic material to transmit data with the speed of fiber optics. The successful harnessing of plasmon waveguiding could enable faster, cheaper, and more efficient electronics.
Scientists have developed a technique to visualize the complete evolution of micro- and nanostructure formation on a material's surface. This allows for better control over these structures, which are crucial for improving various technologies such as anti-corrosive materials, energy absorbers, and medical instrumentation.
The team successfully controlled the peaks of laser pulses and twisted light, moving electrons faster and more efficiently than electrical currents. This achievement brings us closer to developing fast 'lightwave' computers that can process information up to 100,000 times faster than current electronics.
Physicists from MIPT predicted transparent composite media with unusual optical properties using graphics card-based simulations. These structures can exhibit birefringence, a phenomenon where light splits into two beams inside the medium.
University of Minnesota researchers developed a magnetic tunnel junction that can be switched by a pulse of light lasting one trillionth of a second, breaking the current speed record. The device has the potential to enable faster writing speeds and revolutionize information technology advances.
Researchers at Sandia National Laboratories have developed a new type of metamaterial using III-V semiconductors that can be used to create ultra-efficient optical devices. The materials offer a wide range of tunable properties, including the ability to manipulate light and generate entangled photons.
Researchers at DESY developed tailor-made corrective glasses to concentrate X-ray beams stronger than ever before. The lenses improved focus by three-quarters and reduced scattered light, enabling more precise measurements and new applications.
Using advanced computational theory, researchers developed a method called spectral dynamic mimicry that allows them to calculate the laser pulse shape to produce any desired spectral output. This ability could have implications for optical computing and molecular detection.
Scientists have developed a new technology that uses laser-generated bubbles to create 3D images in a liquid screen, allowing viewers to see the display from all angles. The bubbles are created using femtosecond laser pulses and can be colored by changing the illumination light.
Researchers from Warsaw Laser Centre generate high-energy ultrashort laser pulses in an optical fiber using a novel solution. The new method is stable and ideal for industrial applications, offering improved processing times.
Researchers at University of Pennsylvania have successfully grown colloidal crystals with a diamond structure, enabling special optical properties. The material, called a photonic bandgap material, could revolutionize photonics and enable the construction of 'transistors' for light.
Researchers have captured images of terahertz electron dynamics of a semiconductor surface on the atomic scale, unlocking a new window into the nanoworld. The breakthrough allows for ultrafast observation of atomic processes with unprecedented precision.
Researchers created a material that reduces signal losses in photonic devices, boosting the efficiency of lasers and other light-based technologies. The discovery addresses a key challenge in photonics by incorporating a semiconductor material into plasmonic metamaterials.
Researchers at NTU Singapore have developed an ultrafast high-contrast camera that can record the slightest movements and objects in real-time. The new camera is designed to help self-driving cars and drones avoid collisions by analyzing visual data instantly, reducing processing lag times.
Researchers have developed a mathematical model that optimizes data center placement and network design for improved flow of internet traffic generated by cloud computing. The model utilizes distance-adaptive transmission technology, which can reduce bandwidth usage by up to 50%.
A team of German researchers has developed a buried tunnel junction VCSEL with a single-stage type-II active region to extend the wavelength coverage of electrically pumped VCSELs into the mid-infrared range. This achievement demonstrates the potential for low-power, battery-operated gas sensors in various industries.
Researchers have made significant progress in developing stable laser sources for third-generation gravitational wave detectors, enabling the detection of weaker signals from distant cosmic events. The development includes a new type of pre-mode cleaner that compensates for astigmatism, making designs like the Einstein Telescope possible.
Researchers developed dual-function nanorod LEDs that can emit, detect, and respond to light. These LEDs can be used in display arrays that adjust brightness based on ambient light conditions and recognize objects through touchless gestures or laser stylus input.
Researchers have developed a low-cost, real-time imaging system that can detect methane gas leaks in pipelines and oil and gas facilities. The system uses active hyperspectral imaging technology and a single-pixel camera to acquire videos of gas leaking at a rate of 0.2 liters per minute.
Researchers propose eliminating most wires in data centers by using infrared free-space optics to transmit information. This technology enables fast data transfer rates with minimal interference and can accommodate thousands of servers on a single rack.
Researchers create a frequency comb in the visible spectrum using a micro-bubble resonator, enabling precise optical measurements with low power consumption. The device has potential applications in medical science and optics research.
University of Washington researchers have made a breakthrough in building electrically pumped nanolasers, critical for high-performance parallel computing and data center efficiency. By integrating atomically thin monolayer materials with nano-cavities, they have achieved efficient light emission and modulation.
Scientists at the University of the Witwatersrand have made a groundbreaking discovery that allows for real-time error correction in quantum communications. By utilizing classical entangled light, they can establish secure quantum links over long distances, paving the way for major advances in data transfer and encryption.
Matthew McGill, a NASA Goddard researcher, has made significant contributions to understanding climate change impacts through the application of lidar technology. His work on the Cloud Aerosol Transport System (CATS) instrument has been successfully operating on the International Space Station for two years.
Researchers detect electromagnetic fluctuations in the quantum vacuum using a world-leading optical measurement technique. The findings could lead to breakthroughs in understanding radiation and material properties.
Researchers at Princeton University have developed a technique to create ultra-fine grained films using self-assembling nanoparticles, leading to more efficient and stable perovskite-based LEDs. This advancement brings perovskite technologies closer to commercialization and could speed the adoption of lower-cost and environmentally fri...
The Dalian Coherent Light Source (DCLS) is a new bright VUV FEL light source, unique in operating within the VUV region and delivering world's brightest FEL light in an energy range of 8 to 24 eV. It has applications in studying basic energy science, chemistry, physics, and atmospheric sciences.
Physicists at NIST have cooled a mechanical object to a temperature lower than previously thought possible, below the so-called
A new optomechanical device uses a microscopic silicon disk to confine optical and mechanical waves, achieving high coupling rates and making it highly customizable. The device's design allows for independent tailoring of its performance with different light frequencies or mechanical wave frequencies.