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Current Laser pulse News and Events, Laser pulse News Articles.
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Warming Greenland ice sheet passes point of no return
Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were to stop today, the ice sheet would continue shrinking. (2020-08-13)
Simpler and faster microscopy system enabling broader biomedical applications
Optical-resolution photoacoustic microscopy (OR-PAM) has demonstrated great values in biomedical research. (2020-08-12)
Zeroing out their own zap
African fish called mormyrids communicate using pulses of electricity. New research from biologists in Arts & Sciences shows that a time-shifted signal in the brain helps the fish to ignore their own pulse. (2020-08-12)
X-rays indicate that water can behave like a liquid crystal
Scientists at Stockholm University have discovered that water can exhibit a similar behavior like a liquid crystal when illuminated with laser light. (2020-08-11)
Giant photothermoelectric effect in silicon nanoribbon photodetectors
The photoelectric conversion has essential applications in energy and information devices. (2020-08-11)
Multi-species bacterial communities bounce back from environmental disturbances
Perturbations in the environment are common, and communities consisting of several species seem to find their way around the crisis. (2020-08-10)
Light swirls provide insights into the quantum world
A new method uses swirls of light to observe previously invisible quantum states of electrons. (2020-08-10)
Materials science researchers develop first electrically injected laser
Materials science researchers have demonstrated the first electrically injected laser made with germanium tin. (2020-08-07)
Simple approach tested in small group visually evaluates mask effectiveness against viral droplets
Using inexpensive and widely available tools, scientists have developed a simple approach to visually evaluate how effectively different types of masks prevent the spread of droplets that could contain SARS-CoV-2 virus particles, according to a new study. (2020-08-07)
UCF-developed new class of laser beam doesn't follow normal laws of refraction
University of Central Florida researchers have developed a new type of laser beam that doesn't follow long-held principles about how light refracts and travels. (2020-08-06)
Smartphones prove to be time-saving analytical tools
Scientists use a smartphone camera to easily measure soil density -- a key metric for analyzing our soils (2020-08-05)
Researchers discover predictor of laser treatment success in patients with glaucoma
More than 70 million people worldwide suffer from glaucoma. Treatment options have traditionally included eye drops to reduce the fluid the eye produces or surgery to unclog the eye's drainage. (2020-08-05)
New study shows how infrared lasers destroy harmful protein aggregates in Alzheimer's
The agglomeration of proteins into structures called amyloid plaques is a common feature of many neurodegenerative diseases, including Alzheimer's. (2020-08-04)
Faster LEDs for wireless communications from invisible light
Researchers have solved a major problem for optical wireless communications - the process by which light carries information between cell phones and other devices. (2020-07-30)
Tailored light inspired by nature
An international research team with Prof. Cornelia Denz from the Institute of Applied Physics at the University of Münster (Germany) develop for the first time light fields using caustics that do not change during propagation. (2020-07-29)
Scientists make quantum technology smaller
A way of shrinking the devices used in quantum sensing systems has been developed by researchers at the UK Quantum Technology Hub Sensors and Timing, which is led by the University of Birmingham. (2020-07-29)
Laser inversion enables multi-materials 3D printing
Selective laser sintering is one of the most widely used processes in additive manufacturing, but it is limited to printing with a single material at a time. (2020-07-27)
Trapping tiny particles: A versatile tool for nanomanipulation
Researchers at the Okinawa Institute of Science and Technology Graduate University have developed a novel device for single nanoparticle trapping, which has potential applications for drug discovery, disease monitoring, biomedical imaging, and more. (2020-07-26)
Look into the mirror
If the eyes are the mirror of the soul, then thanks to the translucent corneas, we can look deep into that soul. (2020-07-24)
Project creates more powerful, versatile ultrafast laser pulse
In Physical Review Letters, University of Rochester researchers describe a new device, the ''stretched-pulse soliton Kerr resonator,'' that creates an ultrafast laser pulse that is freed from the physical limits endemic to sources of laser light and the limits of the sources' wavelengths. (2020-07-24)
Photochromic bismuth complexes show great promise for optical memory elements
Russian chemists obtained a new photochromic complex composed of bismuth (III) and viologen cations and used the new compound to create optical memory elements that were shown to be highly efficient and stable. (2020-07-24)
A new method to significantly increase the range and stability of optical tweezers
Scientists of Tomsk Polytechnic University jointly with a team of the V.E. (2020-07-23)
Photonic crystal light converter
Spectroscopy is the use of light to analyze physical objects and biological samples. (2020-07-22)
New 'super light source' should allow fascinating insights into atoms
The 'Gamma Factory initiative' -- an international team of scientists -- is currently exploring a novel research tool: They propose to develop a source of high-intensity gamma rays using the existing accelerator facilities at CERN. (2020-07-22)
Shrinking (ultra)violet
Scientists at the National Institute of Standards and Technology (NIST) report the technical details of pioneering research they conducted on the disinfection of drinking water using ultraviolet (UV) light. (2020-07-22)
Geophysics: A first for a unique instrument
Geophysicists at Ludwig-Maximilians Universitaet (LMU) in Munich have measured Earth's spin and axis orientation with a novel ring laser, and provided the most precise determination of these parameters yet achieved by a ground-based instrument without the need for stellar range finding. (2020-07-20)
Physicists take stop-action images of light-driven molecular reaction
Kansas State University physicists have taken extremely fast snapshots of light-induced molecular ring-opening reactions -- similar to those that help a human body produce vitamin D from sunlight. (2020-07-20)
Pressure suppresses carrier trapping in 2D halide perovskite
Here, we show a remarkable PL enhancement by 12 folds using pressure to modulate the structure of a recently developed 2D perovskite (HA)2(GA)Pb2I7 (HA = n?hexylammonium, GA = guanidinium). (2020-07-17)
Tech to help autonomous vehicles better scan for nearby fast-moving objects
Researchers have built a way that lidar could achieve higher-resolution detection of nearby fast-moving objects through mechanical control and modulation of light on a silicon chip. (2020-07-15)
Scientists found a way to identify diseases by blood serum
Researchers developed a new dynamic light scattering method to determine the sizes of circulating immune complexes in blood serum. (2020-07-14)
Hammer-on technique for atomic vibrations in a crystal
Vibrations of atoms in a crystal of the semiconductor gallium arsenide (GaAs) are impulsively shifted to a higher frequency by an optically excited electric current. (2020-07-14)
Tale of the tape: Sticky bits make better batteries
Rice University scientists use an industrial laser to turn adhesive tape into a component for safer, anode-free lithium metal batteries. (2020-07-14)
Researchers present concept for a new technique to study superheavy elements
Merging methodologies from physics and chemistry for the optical spectroscopy of superheavy elements. (2020-07-13)
ITMO University researchers develop new technique for production of plasmonics devices
Researchers from ITMO University have improved on the technique of local processing of composites based on nanoporous glass with addition of silver and copper. (2020-07-13)
Robust high-performance data storage through magnetic anisotropy
A technologically relevant material for HAMR data memories are thin films of iron-platinum nanograins. (2020-07-10)
New research shows that laser spectral linewidth is classical-physics phenomenon
New ground-breaking research from the University of Surrey could change the way scientists understand and describe lasers - establishing a new relationship between classical and quantum physics. (2020-07-10)
Rock 'n' control
The goal of ''Femtochemistry'' is to film and control chemical reactions with short flashes of light. (2020-07-08)
Excitation of robust materials
So-called topological materials have special electronic properties, which are very robust against external perturbations. (2020-07-07)
Portable system boosts laser precision, at room temperature
Physicists at MIT have designed a quantum ''light squeezer'' that reduces quantum noise in an incoming laser beam by 15 percent. (2020-07-07)
Old X-rays, new vision: A nano-focused X-ray laser
Researchers at Osaka University, in collaboration with RIKEN and Japan Synchrotron Radiation Research Institute (JASRI), have focused the beam of an X-ray free-electron laser to 6 nanometers, closer to the diameter of a typical atom than obtained in prior work. (2020-07-07)
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