Tiny Micromotor Is Powered Directly With Light
Researchers at the Faculty of Physics at the University of Warsaw, with colleagues from Poland and China used liquid crystal elastomer technology to demonstrate a…
Lasers
Activating Relativistic Effects of Intense Laser Light in Plasma for Nuclear Fusion
Utilizing relativistic effects of intense laser light in plasma, researchers at Osaka University test a new method for achieving consistent nuclear fusion, which may lead…
Record-Breaking Terahertz Laser Beam Turns Air Into Glowing Plasma
A new, extremely efficient source of terahertz radiation has been developed at TU Wien (Vienna): Lasers turn air into plasma, thereby producing terahertz rays for…
World’s Shortest Wavelength Laser Diode Emits Deep UV Light
Nagoya University researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA…
LEDs Engineered With Colloidal Quantum Dots Can Function As Lasers
Researchers reach a critical milestone on the path to versatile colloidal quantum dot laser diodes by successfully demonstrating a quantum dot LED that also operates…
Breakthrough in Development of Gamma-Ray Lasers – Useful in Medicine and Spacecraft Propulsion
Calculations by University of California Riverside’s Allen Mills predict metastable positronium bubbles in liquid helium. A physicist at the University of California, Riverside, has performed…
Scientists Invent Way to See Fastest Motions of Electrons That Drive Chemistry for the First Time
Scientists invent a way to see attosecond electron motions with an X-ray laser. Called XLEAP, the new method developed by SLAC will provide sharp views…
Terahertz Laser Paves the Way for Better Sensing, Imaging and Communications
New terahertz frequency laser opens up large, underused region of the electromagnetic spectrum. The terahertz frequency range — which sits in the middle of the…
Terahertz Laser May Enable “T-Ray Vision” – High Resolution Images & Far Safer Than X-Rays
Researchers generate terahertz laser with laughing gas: Device may enable “T-ray vision” and better wireless communication. Within the electromagnetic middle ground between microwaves and visible…
Milestone in Ultrashort-Pulse Laser Oscillators Paves Way to Even More Powerful Lasers
With the demonstration of a sub-picosecond thin-disk laser oscillator delivering a record-high 350-W average output power, the group of Ursula Keller sets a new benchmark…
Previously Unseen Phase of Matter Produced by Ultrafast Laser Pulses
Using light to generate order in an exotic material: Physics experiment with ultrafast laser pulses produces a previously unseen phase of matter. Adding energy to…
Topological Quantum States in Graphene Created by Laser Pulses
Discovering ways to control the topological aspects of quantum materials is an important research frontier because it can lead to desirable electrical and spin transport…
New Printer Creates Extremely Realistic Colorful Holograms Using Lasers
Technology offers high-speed, high-quality printing that could be useful for architecture models, fine art, exhibits, and other applications. Researchers have developed a new printer that…
Tiny, Biocompatible Laser Could Function Inside Living Tissues for Imaging or Treatment
Nanolaser has potential to treat neurological disorders or sense disease biomarkers. Researchers have developed a tiny nanolaser that can function inside of living tissues without…
A Star Is Born: Using World’s Biggest Laser to Study Nucleosynthesis
Probing nucleosynthesis in star-like conditions using the world’s biggest laser at NIF. On a typical day at the world’s biggest laser, the National Ignition Facility…
New Method for Detecting the Invisible Properties of Nano-Structured Light Fields
Researchers combine nano-optics and organic chemistry to measure complex light landscapes in the tight focus of a laser beam in a study published in Nature…
New Hunt for Dark Matter – This Time With Lasers
Physicists theorize a novel way to explore the nature of dark matter with lasers. Dark matter is only known by its effect on massive astronomical…
New Laser Vibration Sensor Detects Buried Objects from Moving Vehicle
Sensor is poised to improve landmine detection and non-destructive testing. Detecting landmines can be a challenging and slow process. Detecting them from a moving vehicle…