Articles tagged with Laser Physics
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.
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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.
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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.
Scientists developed a technique to engineer LHPs with controlled size distribution of quantum wells, improving efficiency and stability in LEDs and lasers. By controlling nanoplatelets' growth, they achieved excellent energy cascades, enhancing photovoltaic performance and stability.
The researchers combined an NV diamond with a laser diode in an optical resonator, successfully demonstrating the sensor system with two active media. This breakthrough enables high-contrast sensors to measure biomagnetic signals from the brain or heart with improved sensitivity and dynamic range.
Karen Jo Matsler, a UTA professor, is being honored for her extensive contributions to physics education and her efforts to support educators nationwide. Her Quantum for All initiative aims to integrate quantum concepts into high school science instruction, preparing students for careers in quantum technology.
Researchers developed boron nitride nanotubes with spin qubits, more sensitive to off-axis magnetic fields than diamond tips. The technology has applications in quantum sensing, semiconductor industry, and nanoscale MRI.
Thailand's ancient tiered umbrella symbols are crafted using high-powered lasers, preserving intricate beauty in a matter of days. Researchers provide technical details for anyone with necessary equipment to make their own, aiming to conserve arts and culture.
Scientists at Chalmers University of Technology have successfully combined nonlinear and high-index nanophotonics in a single nanoobject, creating a disk-like structure with unique optical properties. The discovery has great potential for developing efficient and compact nonlinear optical devices.
Researchers have achieved data rates of up to 424Gbit/s using plasmonic modulators for free-space optical communication. This technology could provide high-speed, high-capacity data transmission for space missions with lower latency and less interference.
UNLV astrophysicists found evidence suggesting the supermassive black hole at the center of our Milky Way galaxy, Sgr A*, is likely the result of a past cosmic merger. The study utilized data from the Event Horizon Telescope's 2022 observation of Sgr A* to investigate various growth models and demonstrated that the misaligned spin prop...
Researchers at MIT have directly observed edge states in a cloud of ultracold atoms, capturing images of atoms flowing along a boundary without resistance. This discovery could enable super-efficient energy transmission and data transfer in materials.
Physicists at the University of Bonn and Kaiserslautern-Landau created a one-dimensional gas out of light, allowing for the first time to test theoretical predictions about its transition into an exotic state of matter. The method used in the experiment could be used to examine quantum effects.
A new structure of light has been discovered that can accurately measure chirality in molecules, a property of asymmetry important in physics, chemistry, biology, and medicine. This 'chiral vortex' provides an accurate and robust form of measurement, allowing for the detection of chiral biomarkers.
Researchers create stable, multilayer structures using electric field modifications, opening up new possibilities for quantum technologies. The development paves the way for scalable and robust quantum devices with increased functionality.
Scientists have created perovskite crystals with predefined shapes to serve as waveguides, couplers, and modulators in integrated photonic circuits. The edge lasing effect is associated with exciton-polariton condensates, which exhibit nonlinear effects, enabling applications in quantum computing.
Researchers at the University of Arizona developed a transmission electron microscope with attosecond temporal resolution, allowing scientists to observe electron motion in real-time. This breakthrough enables studies of ultrafast processes at the atomic level, paving the way for advancements in physics and chemistry.
Researchers developed a new spectroscopy method using tunable lasers, enabling precise tracking of the laser's color at every point in time. The technique offers higher power and spectral stability compared to existing methods, making it suitable for various applications including LIDAR and spectroscopy.
Researchers have developed a chip-based quantum system that can detect unauthorized access in quantum communication, using entangled four-photon states. This technology has the potential to strengthen data security and protect sensitive information from cyber threats.
The TIFR team developed a method to measure the temporal shape of ultrashort laser pulses using spectral interferometry, enabling precise measurement of pulse profiles at different points across the beam. This breakthrough is essential for handling increasingly powerful lasers that emit pulses and can distort optical components.
Researchers at the University of Bath have discovered a new optical phenomenon called hyper-Raman, which can penetrate deeper into living tissue and yield images with better contrast. This effect has significant potential applications in pharmaceutical science, security, forensics, environmental science, art conservation, and medicine.
Researchers have developed a method to screen human health and its deviations at a population level using infrared spectroscopy and machine learning. The technique can detect multiple health conditions with just one measurement, identifying healthy individuals and complex conditions simultaneously.
Researchers at Max Planck Institute propose a new method for implementing neural networks with optical systems, which could lead to faster and more energy-efficient alternatives. The approach allows for parallel computations in high speeds limited by the speed of light, and can be applied to various physically different systems.
Researchers at University of Konstanz shape electron matter wave into left- or right-handed coils of mass and charge. This achievement has implications for fundamental physics and potential applications in quantum optics, particle physics, and electron microscopy.
Scientists at European XFEL have developed a new method to study warm dense matter, allowing for unprecedented insights into its structure and properties. This breakthrough enables the investigation of plasmons in ambient aluminum with ultra-high-resolution X-ray Thomson scattering.
Researchers have discovered that photo-excited YBa2Cu3O6.48 expels a static magnetic field from its interior, comparable to equilibrium superconductivity. This finding suggests that tailored light pulses can be used to synchronize fluctuating states and restore superconducting order at higher temperatures.
Scientists have successfully embedded a thorium atom within a crystal to raise its energy state using lasers, allowing for precise measurements of time, gravity, and other fields. This breakthrough could unlock the secrets of fundamental constants of nature and test if they vary.
A new photodynamic therapy method has been shown to effectively eradicate ocular melanoma in mice, with the technique delivering two photons and minimizing damage to healthy tissue. The approach offers a promising alternative to current treatments that are often ineffective or invasive.
Researchers at the University of Bonn have demonstrated that photon Bose-Einstein condensates obey a fundamental theorem of physics. By applying gentle and strong perturbations to the condensate, they showed that it responds in the same way as to random fluctuations without a perturbation.
Sean McWilliams' team will study stellar-mass and massive binary inspirals, improving modeling accuracy for the Laser Interferometer Space Antenna (LISA). The project aims to enhance the instrument's science mission by making necessary dramatic improvements in modeling accuracy.
Researchers created a topological quantum simulator device that operates at room temperature, allowing for the study of fundamental nature of matter and light. The device has the potential to support the development of more efficient lasers.
UCF assistant professors Li Fang and Fan Yao have been awarded the 2024 NSF Faculty Early Career Development program award for their research projects. Fang is studying photo-induced ultrafast electron-nuclear dynamics in molecules, while Yao is identifying lapses in computer processing security at the micro level.
Researchers at the University of Gothenburg studied how bubbles form in a drop of biodiesel using femtosecond lasers. The findings aim to improve engine efficiency, reduce emissions, and increase fuel combustion. Understanding bubble formation is crucial for developing more efficient biofuel motors.
Researchers demonstrate novel method of boson sampling using ultracold atoms in a two-dimensional optical lattice, overcoming previous limitations in simulations and photon-based experiments. The achievement showcases the potential of quantum devices for performing non-classical computational tasks.
MIT physicists arrange dysprosium atoms as close as 50 nanometers apart, a limit previously set by the wavelength of light. This allows for enhanced magnetic forces, thermalization, and synchronized oscillations, opening new possibilities for studying quantum phenomena.
Physicists have achieved a breakthrough by exciting thorium atomic nuclei with lasers for the first time, enabling precise tracking of their return to original energy states. This discovery has far-reaching implications for precision measurement techniques, including nuclear clocks and fundamental questions in physics.
Researchers develop laser microscopy technique to analyze pigments in artwork, detecting chemical changes that mark the onset of decay. The technique uses ultra-fast pulses of light to create 3D maps of certain pigments, allowing for nondestructive analysis and early detection of fading.
Researchers at Penn State have made light effectively experience a magnetic field within a photonic crystal structure. This breakthrough could lead to more efficient lasers and other photonic technologies by increasing the interaction between light and matter.
Scientists have developed a novel universal light-based technique to control valley polarization in bulk materials, overcoming previous limitations. The discovery enables the manipulation of valley population without being restricted by specific material properties.
For the first time, scientists have created a system that interfaces two key components of quantum networks: quantum information creation and storage. The team used regular optical fibres to transmit quantum data, enabling long-distance communication and paving the way for distributed computing and secure communication.
Researchers have developed VECSELs with record output power and absolute frequency stability, overcoming the hurdle of spectral differences between glass fibers and quantum bits. These lasers enable low-loss transmission and precise frequency conversion for quantum internet applications.
Researchers introduce new method to store data for generations using atomic-scale defects, exceeding current storage limits and energy consumption. The approach features 4D encoding schemes and can be applied to other materials with optically active defects.
Researchers have developed a technique to focus ultra-intense ultrashort lasers onto a single wavelength using rotational hyperbolic mirrors. This breakthrough enables the highest intensity condition for ultra-intense ultrashort lasers, revolutionizing strong-field laser physics applications.
Researchers at Chalmers University of Technology developed a computational model to measure entropy production on the nanoscale in laser-excited crystalline materials. The model reveals that phonons, lattice vibrations, can produce entropy similar to bacteria in water.
Researchers developed a unique microfluidics-based diagnostic system that combines optical tweezers with stimulated Raman spectroscopy to enable fast and accurate diagnosis of leukemia. The device can identify cancer cells based on their metabolic activities and metabolites, providing tailored treatment options.
Scientists have developed a new method to manipulate light using synthetic dimension dynamics, enabling precise control over light propagation and confinement. This breakthrough has significant implications for applications such as mode lasing, quantum optics, and data transmission.
Researchers have identified a crucial interface in a mutated protein that drives lung cancer growth, which could act as a target for more effective treatments. The study used advanced laser imaging techniques to provide unprecedented details of the protein's structure and interactions.
Researchers at the Max Planck Institute of Quantum Optics have successfully developed a new technique for deciphering the properties of light and matter, enabling precise spectroscopy under low-light conditions. This breakthrough opens up possibilities for novel applications in photon-level diagnostics, precision spectroscopy, and biom...
Researchers at Max Born Institute have successfully implemented high-resolution linear-absorption dual-comb spectroscopy in the ultraviolet spectral range. This breakthrough enables experiments under low-light conditions, paving the way for novel applications in precision spectroscopy and biomedical sensing.
A new type of frequency comb, called a microcomb, is developed by Stanford researchers that can be used to measure light with unprecedented precision. The device is innovatively small, ultra-energy efficient, and exceptionally accurate, making it suitable for widespread adoption in everyday electronics.
Researchers at the University of Konstanz have developed a theoretical model for stable qubit information exchange by utilizing photons as a means of transport. The new method uses stimulated Raman emissions to control the photon, enabling precise temporal shape optimization and addressing environmental perturbations.
Researchers demonstrate a way to amplify interactions between particles to overcome environmental noise, enabling the study of entanglement in larger systems. This breakthrough holds promise for practical applications in sensor technology and environmental monitoring.
Researchers at Jefferson Lab shattered a nearly 30-year-old record for parallel spin measurement within an electron beam, achieving unprecedented precision. This achievement sets the stage for high-profile experiments that could lead to groundbreaking discoveries in physics.
Scientists use a special microscope to break up the bond between electrons and holes in semiconductors, revealing that hole interactions determine charge transfer processes. The findings have implications for future computer and photovoltaic technologies.
Scientists have successfully discovered the mechanism of trion generation using a tip-enhanced cavity-spectroscopy system. This approach enables nanoscale control and investigation of trion emission properties.
Physicists at Leipzig University have developed a neural network that uses active colloidal particles for artificial intelligence. The system reduces noise and increases efficiency in calculations by utilizing past states of the reservoir.
Researchers at Rice University have developed a new experimental technique that preserves quantum coherence in ultracold molecules for a significantly longer time. By using a specific wavelength of light, the 'magic trap' delays the onset of decoherence, allowing scientists to study fundamental questions about interacting quantum matter.
A new experiment could test whether relatively large masses have a quantum nature, resolving the question of whether quantum mechanics works at a larger scale. The proposed experiment exploits the principle of measurement-induced collapse to observe changes in motion.
Researchers have demonstrated a connection between quantum entanglement and topology, allowing for the preservation of quantum information even when entanglement is fragile. This breakthrough enables a new encoding mechanism that utilizes entanglement to encode quantum information in scenarios with minimal entanglement.
Scientists have made significant progress in understanding ultrafast electron dynamics by tracking the motion of electrons released from zinc oxide crystals using laser pulses. The research team combined photoemission electron microscopy and attosecond physics technology to achieve temporal accuracy, enabling them to study the interact...
Researchers have developed a method to coherently tile multiple titanium:sapphire crystals together, breaking through the current 10-petawatt limit. This technology enables ultra-intense ultrashort lasers with high conversion efficiencies, stable energies, and broadband spectra.
A new study at Hebrew University uncovered a previously unknown connection between light and magnetism, enabling the control of magnetic states with light. This breakthrough paves the way for high-speed memory technology and innovative optical sensor development.
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.