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 Harvard University have developed a new method to create three-dimensional patterns of silver dots using a femtosecond laser. This technique advances nanoscale metal lithography and enables the creation of bulk metamaterials with unique optical properties.
Researchers have developed an ultrafast method to track structural changes in solid materials during phase transitions. This technique sheds new light on vanadium dioxide's fast transformation between transparent and reflective phases. The study provides valuable insights into designing high-speed optical switches using this material.
Researchers at University of East Anglia will use a new ultrafast laser to study molecular energy transfer and design nanomachines and solar collectors. The equipment supports 2D electronic spectroscopy experiments to investigate the link between light-driven processes and molecular architecture.
UB researchers develop one-step method to fabricate rainbow-colored polymer with extraordinary properties, reflecting many different wavelengths of light. The material could form basis of handheld multispectral imaging devices for applications in home improvement and biomedical imaging.
A new technique, virtual ghost imaging (VGI), enables imaging even under adverse conditions by harnessing the properties of entangled photons. Researchers used a Bessel beam to create VGI images despite obstacles such as clouds, heat distortion, and offsets.
Researchers at NCAR are developing prototype devices that can almost instantly measure large areas of snow using light pulses, satellite signals, and other technologies. These devices have the potential to provide a global picture of snow depth and improve weather forecasts.
Researchers create comprehensive 3-D map of earthquake zone using LiDAR technology, revealing details of fault ruptures and deformation. The study provides insights into how earthquakes change the landscape, shedding light on minor faults that contribute to major earthquakes.
Researchers at DESY have successfully made atomic nuclei transparent using X-ray light, a crucial step towards developing quantum computers. This achievement demonstrates the effect of electromagnetically induced transparency (EIT) in atomic nuclei and has significant implications for the future of quantum computing.
A NIST biophysicist and CU collaborator developed a microfluidic system that records biochemical reactions over milliseconds to seconds in living human cells modified as FRET sensors. The system measures sensor signals at two points in time at a rate of up to 15 cells per second, enabling the study of protein folding or neural activity.
A team of UC San Diego researchers created the smallest room-temperature nanolaser to date, as well as a highly efficient, thresholdless laser that funnels all its photons into lasing without waste. These breakthroughs could enable the development of future optical circuits packed onto tiny computer chips.
Researchers at Penn State University have developed crystalline materials that allow optical fibers to have integrated, high-speed electronic functions. The breakthrough enables faster and more efficient technologies in telecommunications, laser technology, and remote-sensing devices.
Researchers at JILA have created the first 'frequency comb' in the extreme ultraviolet band of the spectrum, allowing for precise measurements and unlocking new scientific avenues. This breakthrough enables the development of 'nuclear clocks' and studies of previously unexplored behavior in atoms and molecules.
Rice University researchers have successfully observed superfluorescence in a solid-state material, creating a coherent burst of light. The team used high-intensity laser pulses and strong magnetic fields to create the conditions for this phenomenon, which occurs when electron-hole pairs cooperate.
Researchers created an atomic X-ray laser by removing electrons from neon gas atoms, creating a 'domino effect' that amplified the laser light. The new technology fulfills a 45-year-old prediction and could lead to breakthroughs in medicine, devices, and materials.
Researchers at SLAC National Accelerator Laboratory have created the shortest, purest X-ray laser pulses ever achieved, enabling ultrafast reactions to be seen in detail. This achievement fulfills a 1967 prediction and opens doors for new scientific discoveries.
Scientists at the University of Copenhagen have developed a new method for cooling semiconductor membranes using lasers. By heating the material, they were able to cool its fluctuations to minus 269 degrees C.
Robert Alfano, CUNY Distinguished Professor of Science and Engineering at CCNY, receives the Britton Chance Biomedical Optics Award for developing non-invasive optical biopsy methods that provide molecular information on cancer cells. His techniques can eliminate wait times and reduce physical trauma of surgery.
A new genre of medical imaging technology uses optical techniques to peer below the skin and through muscle and bone, revealing body structures. Devices such as blood vessel mappers and cancer detectors are already in use or in development, providing non-invasive views for diagnosis and study.
Researchers at Purdue University have developed nanoantennas that precisely manipulate light, allowing for the alteration of its phase and propagation direction. This enables potential applications in steering and shaping laser beams, nanocircuits for computers, and powerful lenses for microscopes.
The Earth's rotational axis fluctuates due to gravitational forces and atmospheric pressure. By building a ring laser at the Wettzell observatory, scientists have successfully captured these movements, corroborating Chandler and annual wobble measurements.
Researchers developed a nanowire-based optical probe for single-cell endoscopy, overcoming the diffraction barrier in visible light microscopy. The endoscope can deliver genes, proteins, or therapeutic drugs into cells without damaging them.
A new technique developed by MIT researchers allows for the production of complex shapes on microchips, enabling further leaps in computational power. By combining interference patterns and photochromic materials, the technique can produce features one-eighth the size of traditional photolithography.
A team from RIT and UB is simulating laser imaging for NASA's ICESat-2 mission to better interpret changes in polar ice. The technology will create three-dimensional renderings of ice sheets and glaciers, allowing scientists to measure annual changes in ice-sheet thickness with high accuracy.
Researchers have optimized a type of optical resonator to boost infrared signals to higher-energy ultraviolet beams using low-power nonlinear processes. This enables the creation of low-cost, wavelength-tunable ultraviolet sources with applications in chemical detection, medical imaging and fine lithography.
Researchers at Washington University in St. Louis successfully synthesized a chlorosome component, a giant assembly of pigment molecules, and studied its self-assembly properties. The findings suggest that synthetic pigments could be easier to incorporate into solar devices than biomimetics made of proteins.
Researchers at Princeton University discovered that blocking small holes in a metal film enhances light transmission by up to 70%. The technique challenges common assumptions in optics and could have significant implications for ultrasensitive detectors. Further investigation is needed to apply this finding to various applications.
Researchers at Stanford University have created a single-mode light-emitting diode (LED) that is thousands of times more energy efficient than laser-based systems. The device can transmit data at 10 billion bits per second and operates at room temperature, making it a major step forward for on-chip computer data transmission.
Researchers suggest looking for artificial illumination on distant planets as they orbit their stars, which could provide a measurable signal. This technique relies on the assumption that intelligent life uses Earth-like technologies and could potentially spot alien cities using future generations of telescopes.
Researchers at Northwestern University developed a new material that absorbs a wide range of wavelengths, enabling more efficient solar cells. The innovative trapezoid shape could be replicated in semiconducting materials to lead to thinner, lower-cost, and more efficient solar technology.
NASA is studying three experimental methods for capturing and transporting particles using laser light, including optical vortex and solenoid beams. The goal is to develop a system that can collect extraterrestrial samples more efficiently and reduce mission costs.
Using metamaterials to collect and transmit single photons, researchers aim to encode complex information on individual particles of light. This technology could significantly improve data security for the military and other high-stakes applications.
A recent study conducted by Sandia National Laboratories found that diode lasers can produce high-quality white light comparable to LEDs, which may lead to new lighting technologies. The research used a test involving volunteers and different lighting sources, including LED bulbs, incandescent lights, and diode laser combinations.
Researchers at NIST have developed a compact laser frequency comb, the first to use a cavity made of fused silica. The micro-comb is about the size of a shoebox and relies on a low-power laser and the cavity's unusual properties. It has wide spacing between teeth, allowing scientists to easily measure and manipulate them.
Researchers have developed a compact Raman spectrograph that can monitor blood sugar levels without daily finger pricks. The new design is five to 20 times smaller than previous models, enabling the creation of portable devices that could also detect other disease markers and identify cancerous tissue.
A Purdue University and NIST team developed a microring resonator that converts continuous laser light into numerous ultrashort pulses, enabling applications in advanced sensors, communications systems, and laboratory instruments. The device uses nonlinear interaction to generate frequencies with equal spacing.
Scientists directly observe quantum-correlated particle-hole pairs in a one-dimensional optical lattice, allowing them to unravel a hidden order in the crystal. The work reveals fluctuations at absolute zero temperature and opens new ways to characterize novel quantum phases of matter.
Researchers at Yale University created two lasers that use short-range order to control light, producing brilliant colors like a bluebird's wings. The bio-inspired technology could lead to more efficient solar cells and long-lasting paint, with potential applications in cosmetics and textiles.
Cornell researchers demonstrate ability to cloak a singular event in time using light and optical fibers. A brief bubble in the light flow conceals the fact that an event occurred, lasting only a fraction of a second.
Researchers at Duke University propose harnessing gold nanoparticles' unique optical properties to flag brain tumors. The team synthesized rod-shaped nanoparticles with varying sizes, which displayed different optical properties and could be tuned to scatter specific light frequencies.
Researchers at Caltech have successfully cooled a miniature mechanical object to its lowest possible energy state using laser light, paving the way for the development of exquisitely sensitive detectors and quantum experiments. The achievement uses optical light to extract phonons from the system, creating an efficient optomechanical t...
Researchers from PTB and Hanover have created a novel laser cooling method using a single laser source to bring a magnesium ion to a standstill. This technique allows for more precise measurements of the fine-structure constant, potentially resolving contradictions in astronomical data comparisons.
Researchers at Harvard University have developed a new device that can trap tightly and efficiently, eliminating the problem of overheating in traditional optical tweezers. The new plasmonic nanotweezers use light from a laser to create strong forces on nanoscale particles.
Researchers at Stanford University have developed a nanoscale nonlinear optical device that can be controlled electronically, offering potential applications in data communications and information processing. The device uses plasmonics to intensify light and produce a powerful electrical field.
A team of researchers has proposed a method to harness parabolic mirrors to drive solar-powered lasers, achieving an impressive 35% conversion rate. The new solar lasers would concentrate light with a small parabolic mirror, strike a ceramic disk, and emit laser light of a specific wavelength.
Researchers from Max Planck Society and Leibniz University Hannover have successfully applied the 'squeezed light' method to improve the sensitivity of the GEO600 gravitational wave detector. This new technology reduces shot noise by a factor of two, allowing for more accurate measurements of tiny changes in space-time.
Researchers achieve precise control over ultrashort light pulses, enabling the manipulation of electron motion in atoms and molecules. This breakthrough enables new tools for studying sub-atomic processes and understanding atomic interactions.
Researchers have measured the lifetime of an extremely stable energy level of magnesium atoms with great precision, achieving a record-breaking 2050 seconds. This is the longest lifetime ever measured in a laboratory and has significant implications for the development of ultra-precise atomic clocks.
Researchers found an inverse relationship between blue light transmission and risk of sleep disturbances in the elderly. The study suggests that natural yellowing of the eye lens, which absorbs blue light, may be responsible for insomnia in older adults.
Researchers have developed a compact, lightweight microscope that uses holograms instead of lenses for dual-mode imaging. The device is portable, inexpensive, and can be used for field diagnostics in developing countries, testing of water quality, and food contamination.
A team of physicists evaluated the UK's caesium fountain clock, achieving an unprecedented level of accuracy. The new method improved uncertainties in Doppler shifts and microwave-lensing frequency shift, reducing errors to 2.3 × 10^-16.
Physicists at City College of New York develop a new way to map spiraling light, which can harness untapped data capacity in optical fibers. The Higher Order Poincaré Sphere model reduces complex light patterns to single equations, enabling novel physics and engineering efforts.
Researchers at the Niels Bohr Institute have successfully maintained entanglement between two gas clouds of caesium atoms for up to an hour using controlled laser light. This breakthrough enables quantum communication and has potential applications in ultra-precise measurements, including studying human brain activity.
Scientists have created a new type of computer memory using nano-structured glass that can record and store data in a permanent form, revolutionizing medical imaging and material processing. The technology uses ultra-short laser pulses to imprint tiny dots in the glass, enabling precise imaging and manipulation.
Researchers at Berkeley Lab have demonstrated a technique to control the curved trajectories of Airy beams in real-time, enabling fast-as-light communication systems and optoelectronic devices. This breakthrough uses plasmonic Airy beams to manipulate surface plasmon polaritons, opening doors to new technologies in nano-photonics, biol...
Researchers at the University of Cincinnati have developed a method to stabilize radicals, allowing for controlled release of fragrances. This breakthrough enables slow release of scents over time, useful for household products and medical applications.
Researchers have created a novel metamaterial structure that can 'steer' second-harmonic light, allowing for unprecedented control over light manipulation. This breakthrough has significant implications for all-optical communications and could transform telecommunications technologies.
Researchers at the University of California, Santa Cruz, have made significant progress in explaining the unusual properties of high-temperature superconductors using a new theory. The theory, known as Extremely Correlated Fermi Liquids, shows remarkable agreement with experimental data from studies of high-temperature superconductors.
Researchers at NIST have created a dense array of extra-long carbon nanotubes called VANTA, which absorbs nearly all light of long wavelengths, making it a promising coating for prototype detectors. The coating is easy to handle and has desirable thermal properties.
Scientists have manipulated brain wiring responsible for reward-seeking behaviors using optogenetics, a technique that can tweak microcircuitry with millisecond precision. The study found that targeting the connection between the amygdala and nucleus accumbens may represent potential treatments for addiction and other neuropsychiatric ...
Researchers at Princeton University developed a laser technique to observe how electrons become entangled, shedding new light on the Kondo state and its potential applications in quantum computing. The study reveals fresh insights into the complex relationship between an isolated electron and its surroundings.