Articles tagged with Laser Light
Researchers discovered a novel phenomenon that corrects wavelength splitting in quantum dot lasers, improving their efficiency. This breakthrough has significant implications for optics and photonics research, including the development of light-based micro-chips.
A Michigan State University scientist highlights current research driven by Mendeleev's Periodic Table, focusing on light absorption and electron transfer in compounds from the transition block. The goal is to develop abundant elements for global scalability in solar energy production.
Researchers at UC Santa Barbara have successfully created a chip-scale laser that emits light with a fundamental linewidth of less than 1 Hz, quiet enough to move demanding scientific applications to the chip scale. This breakthrough uses stimulated Brillouin scattering to produce extremely quiet light and has significant implications ...
Researchers developed a compact, environmentally stable laser with an ultra-narrow linewidth of 20 hertz, suitable for improving GPS accuracy and detecting gravitational waves. The laser's stability is maintained through self-referencing temperature sensing, allowing precise correction signals to be applied.
Researchers demonstrate fractal light creation using laser technology, confirming a long-held prediction. The discovery has potential applications in various fields, including imaging and medicine.
Researchers measured hundreds of individual quantum energy levels in the buckyball, revealing its intricate structure and enabling new insights into extreme quantum complexity. The findings have potential applications in quantum computing and astrophysics.
Researchers at Rice University argue that photoluminescence, not Raman scattering, is responsible for the remarkable light-emitting properties of metal nanoparticles. This breakthrough could lead to improvements in solar-cell efficiency and the development of new biosensors.
Scientists have demonstrated a laser-based method to transmit sound waves over long distances without requiring any type of receiver, targeting individuals with precision. The technology uses the photoacoustic effect and can be scaled up for longer distances.
Researchers have discovered eccentric quantum physics in emerging semiconducting materials, enabling unique radiance and energy-efficiency. These hybrid semiconductors, called halide organic-inorganic perovskite (HOIPs), are easy to produce and apply, with potential applications in lighting and solar panels.
Researchers have developed a hybrid technology combining light and magnetic hard drives, enabling fast and efficient data storage. The new photonic memory devices can store information in magnetic bits without energy-costly electronics, promising to revolutionize future photonic integrated circuits.
Researchers have made novel discoveries about visual cortex layers and the subplate, a mysterious layer below. The team used optimized three-photon microscopy to measure patterns of activity among neurons in six layers of visual cortex and the subplate.
Scientists have created a system to probe biomolecules' chiral properties in real-time, providing insights into their biological function. The setup allows for the detection of enantiomers at picosecond resolution, overcoming previous limitations.
Researchers have created bioinspired artificial compound eyes with improved visual properties, enabling better motion detection and light sensitivity. The innovative structure consists of tiny independent repeating visual receptors called ommatidia, grown on top of convex glass domes with antireflective and water-repellent nanostructures.
Researchers at SUTD developed a new holographic colour printing device that modulates both phase and amplitude of light, increasing security and deterring counterfeiting. The technology uses nano-3D-printed polymer structures to display coloured images under ambient white light while projecting multiple holograms under laser illumination.
Researchers propose using tiny satellites with lasers to provide a steady reference light for massive space telescopes, relaxing the need for precision in segmented telescope designs. This approach aims to reduce costs and enable more flexible telescope designs.
Researchers from EPFL's Laboratory of Nanoscale Electronics and Structures have found a way to control some of the properties of excitons, changing their polarization and generating light. This discovery can lead to a new generation of electronic devices with reduced energy loss and heat dissipation.
Researchers have developed tiny gears made of germanium that can generate a vortex of twisted light, enabling high-capacity data transmission with chip-based optical computing and communication. The new technology has the potential to boost the amount of data that can be transmitted using less light.
Researchers have demonstrated a new technique that can store more optical data in a smaller space than previously possible on-chip, improving upon the phase-change optical memory cell. The new approach enables storing information in 34 levels, equivalent to 5 bits, and could help meet the growing need for computer data storage.
Researchers at Eindhoven University of Technology developed a new polariton laser that emits light in all directions, using deliberately imperfect silver nanostripes. The discovery has vast potential applications, including microscopy lighting, LIDAR technology, and general illumination.
Rosana Molina, a Montana State University doctoral candidate, received a three-year F31 fellowship grant to develop more efficient two-photon excitation methods for neuroscience research. This technology enables deeper brain imaging and has the potential to revolutionize our understanding of the brain.
Researchers develop 'implosion fabrication' technique to create nanoscale 3D objects with high resolution and functional materials. The method enables assembly of materials in a low-density scaffold, allowing for easy modification and dense solid formation.
Stanford researchers have developed a way to study the firing of individual brain cells using only light, eliminating the need for invasive methods. The new approach measures subtle changes in cell shape when they fire, allowing for a cleaner and simpler way to study the brain.
The MIT-designed terahertz laser achieves three key performance goals: high constant power, tight beam pattern, and broad electric frequency tuning. This technology could be used for improved skin and breast cancer imaging, detecting drugs and explosives, and mapping the Milky Way galaxy.
Researchers have developed a microfabrication method to create flexible light guides just over one micron wide in clear silicone, enabling smaller and more complex light-based devices. The tiny waveguides can be used for biomedical sensors, endoscopes, and wearable devices, with low light loss and high biocompatibility.
Researchers at TU Wien develop a patent-pending technology to create frequency combs on a single chip, enabling chemical analysis in tiny spaces. The system can detect various chemical substances and is robust against disturbances, making it perfect for practical applications.
Wits physicists have developed a new device for manipulating and moving tiny objects, such as single cells in a human body or tiny particles in small volume chemistry, using the full beam of laser light. The device uses vector holographic trapping and tweezing to control and manipulate minute objects with high precision.
Researchers controlled electron flow in graphene using light waves, enabling faster data transmission. They used two-dimensional materials to achieve this feat, opening doors for new transistor technologies.
Scientists have discovered that semiconducting radicals can fabricate highly efficient OLEDs by exploiting their quantum mechanical 'spin' property, overcoming limitations of traditional materials. The new technology could lead to brighter displays and lighting technologies, including blue- and green-light radical-based diodes.
Researchers from INRS and University of Sussex create an AI-optimized photonic chip to customize the properties of broadband light sources, also known as supercontinuum. This innovation enables new imaging technologies and fundamental research into light-matter interactions.
Scientists at NRL have developed a chip-based beam steering technology that steers laser light in two dimensions without mechanical devices, offering improved steering capability and higher scan speed rates. The new technology has potential applications in chemical sensing, monitoring emissions, and other industrial facilities.
Researchers at Polytechnique Montréal have developed a technology that uses a femtosecond laser and gold nanoparticles to make precise incisions in cells, allowing for effective gene delivery. This breakthrough offers new hope for treating eye diseases such as glaucoma, retinitis, and macular degeneration.
Researchers blast trapped electrons with laser pulses to generate a cascade of particles, shedding light on astrophysical plasmas and potential industrial applications.
Researchers developed a universal light modulator to create complex structures for probing and controlling matter. This architecture generates arbitrary light structures with programmable beamlets, enabling new scientific and technological frontiers in photonics applications that require high power.
Researchers have created a method to move intense laser focal points at any speed, including faster than the speed of light. This technique combines a lens that focuses specific colors of light at different locations with chirped-pulse amplification technology.
Researchers have developed a method to narrow the emission spectrum of an ordinary diode laser, making it suitable for spectroscopic chemical analysis. The technique uses optical microresonators to generate frequency combs, which can be used in applications such as security monitoring systems and lidars for self-driving cars.
Researchers at the U.S. Army Research Laboratory have created a topological quantum light source that can guide light around its edge, shielding it from disruptions. This breakthrough has the potential to enable more secure communications and enhanced sensing capabilities for soldiers.
A NASA team is experimenting with ultrafast lasers to weld dissimilar materials, including exotic glasses and metals. The goal is to develop new manufacturing techniques that could benefit spaceflight instruments.
Researchers have developed a new technique that combines light-sheet fluorescence microscopy with three-photon absorption to image deeper into tissue. This breakthrough could improve neuroscience and developmental studies, and may be useful for drug discovery.
Colorado State University has been selected for the new nationwide high-intensity laser network, LaserNetUS. The network will give U.S. scientists access to some of the most intense laser sources available, including petawatt-class lasers with power output exceeding all world's power plants.
The University of Nebraska-Lincoln is a founding member of LaserNetUS, a national research network for high-intensity lasers. The network provides access to the country's most powerful lasers, enabling researchers to study extreme conditions and applications such as medicine and manufacturing.
The University of Texas at Austin will be a key player in LaserNetUS, a new national network of institutions operating high-intensity lasers. UT Austin's Texas Petawatt Laser will collaborate with leading optical and plasma physics scientists from around the US to advance research.
Researchers at the University of Bonn have successfully applied the Purcell effect to improve the transmission of quantum information. By forcing photons onto a specific path using the Purcell effect, they achieved a significant increase in efficiency, enabling faster communication between quantum dots and transmitters.
Researchers at Case Western Reserve University have developed a 'transistor' laser that can be manipulated at the nanoscale using an external voltage. This technology could lead to more accurate medical procedures and re-routing of fiber optic communication lines.
A new portable vacuum gauge, developed by NIST scientists, tracks changes in the number of cold lithium atoms trapped by laser and magnetic fields to measure pressure. This innovation uses ultracold trapped lithium atoms, which have an exceptionally low vapor pressure at room temperature.
Researchers at Yale, Harvard, and Northwestern universities used a unique process to fire a beam of molecules into lasers, revealing the electron's round, negative charge. The findings support the Standard Model of particle physics and challenge alternative theories.
Researchers from Siberian Federal University and Kirensky Institute of Physics suggest a novel method for creating dynamically controlled diffraction gratings in atomic media. This approach eliminates existing limitations by utilizing Raman-type interaction between signal radiation and pump waves.
Physicists at University of Innsbruck and TU Wien demonstrate that elliptical polarization causes a spiral shape in light wavefronts, leading to a distorted image of actual structures. This systematic error can affect biomedical research, super-resolution microscopy, and even astronomical object position estimation.
Researchers at the University of Hamburg disrupt crystalline order in a quantum system using light pulses, restoring superfluidity. The study demonstrates a fundamental mechanism for controlling phase transitions in many-body systems via light control.
Scientists have developed a smart microscope that provides a 4D view of embryonic development in living mice. The microscope uses algorithms to track the embryo's position and size, creating high-resolution images of its development over a critical 48-hour window.
Researchers at the University of Würzburg and the Technion have successfully built a topological insulator operating with dual excitations, offering a novel platform for switched electronic systems and laser applications. The discovery showcases the potential of this material for advanced optoelectronic devices.
Researchers have developed the world's fastest camera capable of capturing 10 trillion frames per second. This innovation enables real-time imaging of dynamic phenomena in biology and physics, allowing for unprecedented insights into light-matter interactions.
Researchers at Osaka University have discovered carrier multiplication in certain perovskites, increasing efficiency up to 44% compared to traditional solar cells. This breakthrough has significant implications for the development of more efficient photodetectors and solar cells.
Researchers at Dartmouth College developed a new molecular switch based on the hydrazone functional group, combining key properties of current light-activated switches. The molecule shows 'on-off' fluorescence emission toggling and can be used for data storage in both liquid and solid states.
Researchers have developed a ghost imaging technique that can measure atmospheric greenhouse gases with subnanometer resolution, improving detection sensitivity and accuracy. The new approach enables measurements using less powerful light sources and at wavelengths where highly sensitive detectors aren't available.
Researchers have developed a new technique to measure the magnetic field in the atmosphere, 100 km above the planet, using ground-based lasers. The method provides new insights into space weather and atomic processes.
ICESat-2 successfully fired its laser for the first time, sending photons to measure Antarctic height and detecting small changes in planet's ice sheets, glaciers, and sea ice. The mission will continue with procedures to optimize the instrument, aiming to start getting excellent science-quality data within a month after launch.
Researchers developed a simpler method to generate multiple frequency combs using small devices called optical microresonators. The technology generates up to three frequency combs simultaneously, reducing the need for complex synchronization electronics and enabling faster acquisition times.
A Florida State University research team has developed a unique organic-inorganic compound containing zero-dimensional molecular clusters that emit highly efficient blue light. The newly discovered material has an efficiency of over 80%, making it a promising candidate for photon-related technologies.
Researchers at NIST developed a filtering method to reduce interference in electro-optic lasers, allowing for ultrafast pulses that arrive 100 times faster. This technology could enable real-time hyperspectral imaging and other applications.
Researchers at IBS have developed a new method to generate extreme-ultraviolet emissions, opening doors for high-resolution imaging, ultrafast spectroscopy, and next-generation lithography. By controlling electron motion using laser pulses, they created coherent radiation with specific wavelengths.