Articles tagged with Free Electron Lasers
A team of researchers from China, South Korea, and the US proposes a novel way to minimize the energy spread of electrons in laser wakefield accelerators. By inserting a plasma compressor, they can reduce the energy spread to the one-thousandth level, making new applications for laser wakefield accelerators possible.
Researchers have created a new machine-learning algorithm that reduces timing uncertainties in changing events by up to 300 times, allowing for more accurate dating and analysis of past events. The tool has applications in various fields, including geology, metrology, chemistry, biology, and astronomy.
Researchers successfully control ultrafast electron motion using FERMI's light, achieving a time resolution of 3 attoseconds. This breakthrough enables the study of fast chemical reactions on the scale of attoseconds, shedding new light on processes like photosynthesis and combustion.
Researchers used the powerful x-ray pulses from SACLA to investigate excited-state induced transient lattice dynamics in phase-change materials. They observed non-thermal local structural rearrangements within a few picoseconds, followed by warming of the lattice and a 2 pm change in lattice spacing after 20 ps.
Researchers at Lomonosov Moscow State University successfully controlled ultrafast motion of electrons down to three attoseconds, breaking natural obstacles and observing quantum interference. The achievement opens a new horizon for studying ultrafast processes in physics.
Researchers at Berkeley Lab will develop compact free electron lasers for affordable x-ray sources, overcoming current limitations of miles-long facilities costing hundreds of millions of dollars. The project aims to produce portable and high-contrast x-ray imaging with a smaller footprint and lower cost.
Researchers have built the first prototype of a miniature particle accelerator that uses terahertz radiation, demonstrating feasibility and potential for miniaturizing entire setups. The technology holds promise for various applications, including materials science, medicine, and particle physics.
Researchers used an enormous X-ray laser to induce a phenomenon that doesn't occur under normal circumstances, resulting in a single higher-energetic X-ray photon. The findings may lead to new ways to diagnose matter in the future.
Dr. Claudio Pellegrini and Dr. Charles V. Shank have made significant contributions to scientific research, advancing our understanding of relativistic electron beams and ultrafast lasers. Their work has led to the development of the first hard x-ray free-electron laser, transforming the field of X-ray physics.
Researchers at Berkeley Lab achieved a world record energy for laser-plasma accelerators, accelerating electrons to 4.25 giga-electron volts in just 9-centimeter long plasma tube. The setup marks a significant breakthrough in particle acceleration technology, offering potential for shrinking traditional accelerators.
Researchers at Monash University have modelled a carbon-based spaser that could enable the creation of ultra-thin mobile phones printed on clothing. The device offers advantages such as high temperatures resistance, eco-friendliness, and flexibility, paving the way for innovative applications in telecommunications.
Scientists used the world's most powerful X-ray laser to take snapshots of individual free molecules, overcoming hurdles in imaging single molecules. The technique enables the study of ultra-fast molecular dynamics with unprecedented precision and detail.
Andrew Sessler, former Berkeley Lab Director, wins Fermi Award for his work on particle accelerators and storage rings. He is recognized for advancing the science and technology frontier in research and development.
Researchers have developed a novel way to boil water in under a trillionth of a second, opening new paths for experiments with heated samples of biological relevance. The technique uses terahertz radiation to heat up small amounts of water by as much as 600 degrees Celsius.
A RIKEN research team successfully generated two-color X-ray laser pulses in the hard X-ray region, showcasing improved tunability and spatial separation. This achievement will facilitate investigations into ultrafast chemistry, plasma physics, and astrophysics.
Scientists at DESY's FLASH facility have successfully created an X-ray laser based on a solid, enabling the analysis of sensitive samples without destruction. The method utilizes the principle of stimulated emission to overcome the Auger process, which previously hindered the creation of compact X-ray lasers.
Researchers at HZDR and University of Regensburg have developed a fast and reliable detector for terahertz pulses using graphene. The detector can measure the arrival time of light pulses with high accuracy, covering a wide wavelength range from ultraviolet to far infrared.
Researchers demonstrate acceleration of electrons by a laser in free space, a significant breakthrough with implications for fusion as a new energy source. The capture-acceleration scenario, proposed by Yu-kun Ho's group, explains how a tightly focused laser can create a channel for electrons to receive energy gain.
Researchers used an X-ray free-electron laser to determine the structure of trypanosomal Cathepsin B, a promising target for treating sleeping sickness. The study provides detailed insight into how the naturally occurring native inhibitor binds, offering new ideas for designing targeted treatments.
A team of scientists has identified a new solution to an astrophysical phenomenon using laser experiments, shedding light on the discrepancy between observations and theoretical predictions. The research paves the way for future X-ray astrophysics research using free-electron lasers.
Scientists have used an X-ray laser to measure atomic processes in extreme plasmas, revealing a surprising finding: collisions with electrons are not a factor in reducing X-ray signals. This discovery challenges existing models and paves the way for future research using free-electron lasers.
Researchers create technique to measure temporal profile and arrival time of individual FEL pulses with femtosecond precision, allowing for precise study of atomic, molecular, and solid-state systems. The method enables filming of atoms in motion and exploration of processes that evolve within X-ray exposure.
Using LCLS at SLAC National Accelerator Laboratory, researchers successfully stripped most electrons from xenon atoms, creating a highly charged state. This discovery could aid in studying extreme states of matter or avoiding damage in samples.
Using the world's most powerful X-ray laser, researchers observed an unprecedented charge state by ejecting dozens of electrons from a xenon atom. The discovery reveals new insights into heavy atoms and could have practical applications in research and industry.
Researchers at Berkeley Lab's Accelerator and Fusion Research Division develop a new method to measure the energy spread of electron beams in laser plasma accelerators. The experiment finds that local energy spread can be as small as half a percent, enabling more precise control over the beam.
An international team has found a surprising effect that leads to spatially varying magnetization manipulation on an ultrafast timescale in ferromagnetic materials. This discovery could be key to further miniaturization and performance increase of magnetic data storage devices.
The BELLA laser system has delivered a petawatt of power in a pulse just 40 femtoseconds long at a pulse rate of one hertz, a world record for laser performance. This achievement enables the creation of compact particle accelerators and tabletop free electron lasers for investigating materials and biological systems.
Researchers at DESY and SLAC used the world's most powerful X-ray laser to capture images of single soot particles floating through a beam. The study found that the structure of soot determines how it scatters light, which is crucial for understanding climate models.
Researchers at Lawrence Livermore National Laboratory have observed a 40 femtosecond ultrafast transition of graphite into two different states of matter, including solid to liquid and plasma. This discovery provides new insights into the behavior of matter irradiated by intense hard X-rays.
Researchers created light at multiple frequencies by mixing high- and low-frequency lasers, producing new colors. The phenomenon has potential applications in increasing data transfer speed and communication.
Scientists have successfully imaged an intact virus using extremely intensive and ultra-short x-ray pulses from the world's first X-ray free electron laser. This breakthrough technology enhances the possibilities of imaging individual biological molecules too small to study with conventional microscopes.
Researchers used an XFEL to probe nitrogen gas at up to 8 keV, a record-high X-ray energy. The study revealed the interaction between nitrogen gas and the XFEL beam, including electron dynamics and space charge effects. Understanding these dynamics will change our understanding of chemistry, physics, and materials science.
Researchers at the University of Michigan have built a more efficient Rydberg atom trap, which could enable faster quantum computers. By trapping giant Rydberg atoms, they can create stronger quantum circuits and solve complex problems that conventional computers cannot.
Researchers at NASA's Langley Research Center and the Department of Energy's Thomas Jefferson National Accelerator Facility developed a new technique to synthesize high-quality boron-nitride nanotubes, opening doors for various applications. The first practical macroscopic yarns were created using lasers, with potential uses in radiati...
Researchers at Lawrence Livermore National Laboratory have developed a new imaging technique that allows for the capture of ultra-fast dynamics of solid materials at the nanoscale. This breakthrough enables the study of previously inaccessible phenomena such as fracture, shock formation and phase growth.
The Linac Coherent Light Source (LCLS) will be the world's first X-ray free electron laser, producing pulses of light one billion times brighter than current sources. The device will enable scientists to discover new states of matter and probe chemical reactions in real-time.
Using a free-electron laser, Livermore scientists captured single diffraction patterns of nanostructured objects before destruction and reconstructed images with features 50 nanometers in size. This 'lensless' imaging technique resolves 10 times smaller than optical microscopes.
The Free-Electron Laser produced a 14.2 kilowatt beam of laser light at an infrared wavelength of 1.61 microns, shattering another power record. This achievement supports the Navy's vision for a high-power FEL as part of a ship-based weapon system.
Researchers at Lawrence Berkeley National Laboratory and University of Oxford have achieved a record-breaking acceleration of electron beams to 1 billion electron volts in 3.3 centimeters using laser wakefield acceleration. This breakthrough opens the door to compact high-energy experiments and superbright free-electron lasers.
Rutgers University researchers have developed a new polymer-coating process that uses pulsed laser deposition to create high-performance coatings. The method improves coating efficiency, reduces drag force, and enhances biocompatibility for sensitive areas.
High Energy Density Physics is a new journal launched by Elsevier to publish research on extreme conditions, including planetary interiors and astrophysical phenomena. The journal aims to provide a platform for scientists to study material properties and hydrodynamics under high-energy density regimes.
The Jefferson Lab FEL has been recognized as one of the top 100 most technologically significant products of 2005. It provides a scaleable path for high laser output power and enables new applications in materials science, national security, and more.
The US Navy has successfully upgraded its free electron laser to a record-breaking 10 kW power level, enabling new possibilities in manufacturing, medical research, biology, and basic physics. The upgrade marks a significant milestone in the FEL program's development and opens doors to various applications.
Terahertz (THz) frequencies have potential applications in medicine, remote sensing, imaging, and satellite communications. Lehigh researcher Yujie J. Ding has developed a compact THz radiation source that can generate coherent waves with high output powers, enabling new diagnostic tools and monitoring technologies.
Scientists at Brookhaven National Laboratory have contributed to the development of a better electron accelerator that uses laser light. The STELLA experiment successfully accelerated electrons to high energies while keeping them tightly bunched together, enabling more efficient and compact acceleration technology.
The US Navy is developing a powerful free-electron laser that can transmit infrared light for use in ship-defense systems. The laser has the capability of generating extremely short pulses, sub-picosecond pulses, and breaking records for tunable high-average power lasers.
Researchers at Jefferson Lab have successfully generated terahertz radiation 20,000 times brighter than ever before using the Free-Electron Laser. This breakthrough enables a range of applications, including enhanced detection of concealed weapons, improved medical imaging, and real-time chemical analysis.
The FEL center is exploring applications in laser surgery, producing monochromatic X-rays for sharper images, and characterizing proteins through heat-induced release from gels. Researchers have successfully performed human surgeries using the FEL beam.
The International Free-Electron Laser Conference and Workshop will bring together specialists from around the world to discuss advancements in free-electron lasers. The conference, hosted by Duke University's DFELL laboratory, will showcase research on applications such as corneal wound healing, nanostructures, and neurosurgery.
Researchers at Vanderbilt University successfully removed a golf-ball sized tumor from a patient's brain using a precise infrared beam of light. The operation marks the first time a free electron laser has been used in a clinical setting, paving the way for potentially more precise and effective brain tumor removals.
Duke University's OK-4 optical klystron FEL, developed in Russia, has begun operating at the institution, producing intense beams of gamma rays and ultraviolet laser light. The device is expected to be used for medical research and answering questions in nuclear physics.