Using air to deflect lasers
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, reports an interdisciplinary.....»»
New method measures super-fast, free electron laser pulses
New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a femtosecond optical shutter, the technique encodes the electric field.....»»
Ultrastable low-cost colloidal quantum dot microlasers of operative temperature up to 450 K
High-performance micro-/nanostructure lasers, as multifunctional optical source components, are of great importance for optoelectronic devices. Towards this goal, scientists in China invented a high-efficiency ultrastable low-cost quantum dot microla.....»»
Nearly half of those convicted of sharing explicit images of partners online show remorse
In a new study, researchers found nearly half of those who share explicit images of others without permission feel remorse after the fact and 24% try to deflect blame onto victims. Amy Hasinoff, a researcher at the University of Colorado Denver, join.....»»
Cool Crowdfunding: Scrappy Circuits, Smart Diode Lasers, and LED Cubes
the latest cool crowdfunding campaigns The post Cool Crowdfunding: Scrappy Circuits, Smart Diode Lasers, and LED Cubes appeared first on Make: DIY Projects and Ideas for Makers......»»
Antimatter Atoms Can Be Precisely Manipulated and Cooled With Lasers
One of our most precise mechanisms for controlling matter has now been applied to antimatter atoms for the first time. From a report: Laser cooling, which slows the motion of particles so they can be measured more precisely, can make antihydrogen ato.....»»
Scientists Get Closer To Redefining the Length of a Second
Scientists are inching one step closer toward redefining the length of a second. NPR reports: Atomic clocks, which look like a jumble of lasers and wires, work by tapping into the natural oscillation of atoms, with each atom "ticking" at a different.....»»
A new way to observe laser interactions could improve laser-based manufacture
Despite the enormous amount of research over the decades into lasers and their applications, scientists have difficulty accurately and directly observing fine details of their interactions with materials. For the first time, researchers have found a.....»»
Yes, Dyson’s newest vacuum uses a green laser to see what you can’t
Dyson has launched three new cordless vacuums, including one that uses lasers to pinpoint dust particles......»»
New machine learning tool diagnoses electron beams in an efficient, non-invasive way
Beams of accelerated electrons power electron microscopes, X-ray lasers, medical accelerators and other devices. To optimize the performance of these applications, operators must be able to analyze the quality of the beams and adjust them as needed......»»
Biosensing with whispering-gallery mode lasers
Whispering-gallery-mode (WGM) microresonators are opening up many new research directions that enable the detection of proteins, enzymes and DNA, down to single molecules. A new class of sensors makes use of active microresonators to drastically expa.....»»
Millimeter wave photonics with terahertz semiconductor lasers
The volume of wireless telecommunication traffic is expected to surge in the near future with a continual increase in data traffic and corresponding necessary increases in bandwidth. It has therefore become imperative to increase the photon frequency.....»»
Scientists propose novel self-modulation scheme in seeded free-electron lasers
Seeded free-electron lasers (FELs), which use frequency up-conversion of an external seed laser to improve temporal coherence, are considered ideal for supplying stable, fully coherent, soft X-ray pulses. However, the requirement for an external seed.....»»
The last mile towards electrically driven perovskite lasers
Ultracompact and low-cost perovskite laser with low energy consumption is an ultimate goal for monolithic all-optical integration, and a cross-country team has confirmed that the key is the development of the crystal-fiber/nanoperovskite hybrid archi.....»»
Ultra-quick Cameras Reveal How to Catch a Light Pulse Mid-Flight
The latest in ultra-high-speed lasers and super-swift cameras pull off the previously impossible The footage is something between the ghostlike and commonplace: a tiny laser pulse tracing through a box pattern, as if moving through a.....»»
Breakthrough greatly enhances ultrafast resolution achievable with X-ray free-electron lasers
A large international team of scientists from various research organizations, including the U.S. Department of Energy's (DOE) Argonne National Laboratory, has developed a method that dramatically improves the already ultrafast time resolution achieva.....»»
Quantum leap: how we discovered a new way to create a hologram
Once, holograms were just a scientific curiosity. But thanks to the rapid development of lasers, they have gradually moved center stage, appearing on the security imagery for credit cards and bank notes, in science fiction movies—most memorably Sta.....»»
How Lasers and Mirrors Proved Gravitational Waves Existed
The L-shaped interferometer that detected the waves is now an IEEE Milestone .entry-content .tisubhead { color: #999999; font-family: verdana; font-size: 14px; font-weight: bold; letter-spacing: 1px; margin-bottom: -5px.....»»
"Sex, lasers and male competition:" fruit flies win genetic race with rivals
Scientists have accepted natural selection as a driver of evolution for more than 160 years, thanks to Charles Darwin......»»
Lab team uses giant lasers to compress iron oxide, revealing the secret interior of rocky exoplanets
Advances in astronomical observations have resulted in the discovery of an extraordinary number of extrasolar planets, some of which are believed to have a rocky composition similar to Earth. Learning more about their interior structure could provide.....»»
NIST Develops Compact Laser-Cooled Atom Trap
Its components can be placed on a chip, potentially opening the door to mass production Using lasers, scientists can deep-freeze atoms down to a hair’s breadth above absolute zero. Because such cold atoms move very slowly, their properties ca.....»»