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 Aalto University developed a plasmonic nanolaser that operates at visible light frequencies and uses dark lattice modes, allowing for ultrafast and tiny coherent light sources. The nanolaser uses silver nanoparticles arranged in a periodic array, which radiate in unison to produce high-intensity laser light.
Researchers have successfully filmed protein folding in three dimensions for the first time, enabling them to observe minute changes in protein structures during transformation. The technique, developed using Japan's XFEL facility, has significant implications for drug development and studying membrane transport proteins.
Bacteriorhodopsin, a key protein in cell membranes, uses light to transport protons and create a charge difference. Researchers used time-resolved serial femtosecond crystallography to determine the proton pump mechanism, shedding light on a long-standing debate.
Researchers at Oregon State University developed a new method for sintering nanoparticles using intense pulsed light, enabling faster and more efficient production of advanced flexible electronics. The breakthrough allows for larger areas to be processed in seconds, reducing the need for high-temperature equipment.
Scientists have developed a temporary tattoo ink that marks the spot for future treatment in skin cancer patients. The new ink glows under specific light conditions and can disappear after a period of time, eliminating the need for laser or surgical removal.
Scientists used a novel measurement technique to magnify time and study ultrafast intense pulses of light, confirming theoretical predictions. The technique has implications for understanding giant rogue waves on the ocean and extreme events in nature.
Researchers have created a tiny radio receiver using atomic-scale defects in pink diamonds, enabling it to operate in harsh environments and human bodies. The device uses nitrogen-vacancy centers, which can emit single photons or detect weak magnetic fields.
Scientists at Princeton University have discovered a vibrational resonance mechanism that enables the efficient transfer of light energy in cryptophyte algae. This finding provides valuable insights for designing artificial light-harvesting systems, potentially leading to more efficient solar energy collectors.
Scientists at NIST have developed a new device that measures atomic-scale motion with unprecedented precision. The handheld tool can also be mass-produced to aid in sensing trace amounts of hazardous agents, perfecting robot movement, and detecting weak sound waves.
Bielefeld University physicists develop new method to study biological cells using optical tractor beams, allowing for superresolution images of DNA in single bacteria. The technique enables researchers to rotate and move bacterial cells at will, enabling the study of three-dimensional cellular structures.
A German research team developed a high-power, pulsed optical laser synchronized with the XFEL pulses, offering tunability in wavelength and pulse duration. The laser system will be published in Optics Express and is designed for experiments at atomic-scale measurements.
Cryptophyte algae have been found to harness light energy at an unprecedented rate, thanks to the ability of molecular vibrations to enhance photon absorption. This discovery has potential applications in developing more efficient light-harvesting technologies, such as sensors and communication systems.
Scientists at ANU have designed a nano crystal that turns darkness into visible light, enabling the creation of lightweight night-vision glasses. This innovation has potential applications in anti-counterfeit devices, medical imaging, and holographic displays.
A new material developed by Yuebing Zheng could lead to the creation of erasable and rewriteable optical chips. The material, which combines light-sensitive molecules with a plasmonic surface, allows for wireless erasure and rewriting of optical components.
A new optical chip enables astronomers to capture clear images of exoplanets near their host sun, overcoming the challenge of intense solar brightness. This breakthrough technology uses an interferometer to cancel out sunlight and detect fainter planet light, paving the way for discovering planets with conditions suitable for life.
A new class of NIR-absorbing biodegradable organic nanoparticles has been developed for the targeting and treatment of deep-tissue tumors. These molecules can be triggered by low-power lamp light, allowing for precise tumor-targeting therapy with minimal side effects.
Scientists at Kazan University developed a new principle of optical storage based on tip-enhanced Raman scattering effect to overcome the diffraction limit. The new technology enables up to 1 Pb/dm2 storage capacity, approximately equal to 1 million standard DVDs.
Researchers from DTU Physics demonstrated how quantum-engineered states of light can improve the efficiency of feedback cooling beyond classical bounds. They successfully cooled a mechanical oscillator's temperature by more than 140 degrees below room temperature using a novel technique involving squeezed light.
Researchers have developed a new method for analyzing photonic crystal structure, which provides a direct view of the inner details. The technique uses scattered light patterns to reveal the iso-frequency contours, offering a beautiful and straightforward way to observe the material's properties.
Researchers at University of Surrey develop a scalable and low-cost method to fabricate high-quality isolated organic single crystals using spray-printing. This breakthrough enables the production of inexpensive electronics with applications in flexible circuits, medical detectors, sensors, and more.
A pioneering study reveals how Songwe Hill Rare Earth Project in Malawi can enhance global security of critical earth elements. The research finds that hot fluids can cause heavy rare earth enrichment, creating a well-balanced deposit suitable for the growing magnetics industry.
Researchers at the University of Vienna have made significant breakthroughs in transmitting twisted light over long distances, exceeding 100 kilometers. They also demonstrated record-breaking quantum entanglement with 5-digit quantum numbers using a novel technique developed in Australia.
Researchers developed a silicon nanoantenna that scatters light in a particular direction depending on the intensity of incident radiation. The nanoantenna allows for the dynamic modification of its properties, enabling faster control over light propagation and paving the way for ultrafast processing of optical information.
Scientists at the University of Cambridge have developed a tiny optical cavity, known as a pico-cavity, that focuses light down to single atom scales. This innovation enables real-time observation of atomic movement and opens up new possibilities for studying light-matter interactions.
Researchers have developed a method to manipulate microparticles using laser light, creating fast waterflows that allow for efficient surface cleaning without damaging the material. The technique also enables the assembly of micro- and nanoparticle patterns at solid-liquid interfaces with high precision.
A team led by Professor Cordt Zollfrank from the Technical University of Munich created the first controllable random laser based on cellulose paper. The laser uses a biogenic structure to scatter light in different directions, but can still be controlled and localized.
Researchers developed an adaptive microscope that can analyze and optimize its settings in real-time, achieving five-fold improvements in resolution. This technology enables long-term imaging of entire embryos and has significant implications for high-throughput drug screens and biological modeling.
A team of Russian researchers used dynamic light scattering and phase microscopy to demonstrate the existence of stable nanodroplets of tetrahydrofuran (THF) in aqueous electrolyte solutions. The research developed a new theory explaining the spontaneous generation of heterogeneous nanoparticles due to 'twinkling' hydrogen bonds.
Researchers at the Max Planck Institute and Technical University of Munich have measured photoionization with unprecedented zeptosecond precision, determining the timescale of this process for the first time. This achievement resolves quantum mechanics' impact on ultra-short events in atomic interactions.
Physicists have recorded an internal atomic event with unprecedented precision, measuring the duration of photoionization for the first time with zeptosecond accuracy. The study provides a reliable basis for future experiments and reconciles theory and experiment in complex systems like helium.
Scientists at Berkeley Lab created a single device that can act as both a laser and an anti-laser, enabling flexible operation in optical communication. The device uses parity-time symmetry to balance amplification and absorption, allowing for control over light behavior.
Scientists at MIT and Harvard University developed a new imaging technique called LASE microscopy, which uses tiny particles to create sharper images of deep tissue and cells. The particles emit laser light when stimulated by a laser beam, resulting in higher-resolution images.
The new 'smart' light-sheet microscope analyzes a specimen continuously and adjusts its settings to optimize image quality. Researchers achieved improvements in spatial resolution and signal strength by a factor of 2 to 5, making it easier to produce high-quality images of larger specimens.
Engineers successfully completed the first Center of Curvature test for the James Webb Space Telescope's primary mirror, measuring its shape and alignment with incredible precision. The test will be repeated after launch environment testing to confirm the optics' performance in space.
A new instrument prototype, BILI, uses fluorescence-based lidar to search for organic bio-signatures on Mars and other targets in the solar system. The instrument can scan terrain from a distance of several hundred meters, detecting small levels of complex organic materials in real-time.
Sushil Kumar aims to create terahertz semiconductor lasers with precise emission frequency, improving power output and beam quality. His goal is to enable various applications including chemical sensing, disease diagnosis and remote-sensing in astronomy.
Researchers at the University at Buffalo have developed a new method for controlling light using one-third of the energy typically required. The asymmetric metawaveguide technology has the potential to lead to more powerful and energy-efficient computer chips and other optics-based technologies.
Researchers have developed a new method to record brain activity in living mice, capturing the dynamic activity of thousands of neurons in three dimensions. The technique, known as 'light sculpting,' uses laser pulses to illuminate and analyze the activity of neurons within specific layers of the brain.
Researchers have developed novel light sources using 2-D materials, which can be used to transfer information securely. The light sources emit photons in pairs, making them ideal for quantum communication. Additionally, the novel lasers exhibit self-sustaining properties, opening up new possibilities for studying quantum effects.
Researchers found that injecting large quantities of neon gas can rapidly cool and extinguish magnetically confined fusion plasmas hotter than the sun's center. This process converts plasma heat into an intense flash of light, uniformly illuminating the interior wall to avoid damage.
Researchers have developed a method to create glass fibers with single-crystal silicon-germanium cores using laser recrystallization. This process enables the creation of functional materials for faster transistors and expands the capabilities of endoscopes.
A microscopic sensor has been developed at TU Wien that can identify different gases simultaneously using a laser and detector in one. The sensor, made of a sophisticated layered system of materials, emits light in the infrared range and measures its strength to detect gases with unique 'fingerprints'.
Begonia species have evolved a nanoscale light-trapping structure to harvest energy in low-light environments. The iridoplasts, found only in dark conditions, reflect blue light and absorb green light to maximize photosynthesis.
Researchers have developed an optical frequency divider with unprecedented precision, enabling arbitrary optical frequency conversions. This breakthrough paves the way for improved applications in optics, metrology, and atomic physics.
Researchers at NIST have developed a method to create visual holograms using neutron beams, which can reveal detailed information about an object's interior. This technique has potential applications in studying solid materials and exploring small structures.
Researchers developed a spatial multiplexing technique that reshapes laser light into multiple modes, increasing data transmission capacity. The approach demonstrated in a laboratory free-space optical network showed 98% efficiency and could work in optical fibers.
University of Oklahoma researchers have designed a novel photothermal therapy that eliminates tumors without affecting healthy cells. The therapy uses single-walled carbon nanotubes to target specific cancer cells in breast, bladder, esophageal, and melanoma cancers.
Developed by MIT and Harvard Medical School, the fibers are made from hydrogel material that can stretch and bend like taffy. They can sense signs of disease and could be used to deliver therapeutic pulses of light, enabling long-lasting implantable medical devices.
The superradiant laser uses synchronized emissions of light from strontium atoms to improve atomic clock performance and create precise 'rulers' for space science. The laser's output is expected to be less sensitive to noise, making it sharper as a precision tool.
Researchers have developed an ultrafast technique to film the propagation of guided light and read its spatial profile across a multilayered structure. This breakthrough enables the design and control of confined plasmonic fields, crucial for future optoelectronic devices.
Researchers have generated femtosecond pulses in mid-infrared wavelengths, opening opportunities for research in physics, chemistry and biomedicine. The new technique allows scientists to study atomic processes taking place in atoms, molecules and solids with unprecedented speed.
Researchers have successfully cooled rubidium atoms to nearly absolute zero using a multicolored laser, paving the way for studying chemical reactions in medicine and biology. The technique involves using pairs of photons to mimic high-energy ultraviolet light, overcoming previous difficulties in generating such photons.
Scientists at the University of California - San Diego designed a device that harnesses light to manipulate its mechanical properties. The device oscillates indefinitely using energy absorbed from light, enabling new applications in GPS, computers, and other devices.
A team led by Caltech's Changhuei Yang and Edward Zhou developed a device that selectively cancels scattered light, revealing dimly reflective objects. The technology, termed 'coherence gated negation,' has potential applications in satellite exploration and biomedical imaging.
Researchers have successfully integrated a complete quantum optical structure on a chip using carbon nanotubes as single-photon sources. This achievement fulfills one condition for the use of photonic circuits in optical quantum computers and opens up new possibilities for ultrafast calculation and secure data encryption.
Researchers created simple microswimmers with a phototaxis system, enabling them to move towards darker areas. By using a laser-generated light field with saw-tooth profiles, the microswimmers can be steered reliably over long distances.
Physicists at Lomonosov Moscow State University have successfully controlled the polarization of light, reducing its speed by up to 10 times. This breakthrough has significant implications for the development of spatial light modulators, which could enable faster and more efficient data processing in photonic computers.
Physicists devise a method to control optical solitons in microresonators, allowing for stable pulse generation and spectral comb formation. This enables precise measurement of optical frequencies, including those in the radio wave range.
Researchers have discovered 'spatiotemporal optical vortices,' or STOVs, which are 3-D ring structures generated by high-intensity lasers. These structures have the potential to manipulate particles moving at the speed of light and may be useful for designing powerful microscopes and more efficient telecommunication lines.
Researchers at Nagoya University have created a label-free method for detecting real-time DNA amplification based on refractive index changes in diffracted light. This technique is highly sensitive and can quantify DNA concentrations from 1 fM to 1 pM, outperforming existing fluorescence-based detection systems.