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…
Lasers
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…
Physicists Use Lasers to Study Explosions
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. In a paper in the Journal of Applied Physics, from AIP…
Ultrafast Pulsed Lasers Weld Ceramics Without a Furnace
Ultrafast pulsed lasers fuse ceramics under ambient conditions and use less than 50 watts of power. environments. These could all be made possible thanks to…
Existing Laser Technology Could Be Used To Attract Aliens
If extraterrestrial intelligence exists somewhere in our galaxy, a new MIT study proposes that laser technology on Earth could, in principle, be fashioned into something…
Physicists Reveal New Principle Of Fighting Laser Chaos With Wave-Dynamical Chaos
An international, Yale-led research team has taken a new approach to stabilizing high-power lasers: They’re fighting chaos with chaos. There has been a rapidly growing…
New Type of Silicon Laser Uses Sound Waves to Amplify Light
Yale scientists have created a new type of silicon laser that uses sound waves to amplify light. A study about the discovery appears in the…
Laser-Produced Plasma Sheds Light on Cosmic Rays, Solar Eruptions
Scientists reveal that laser-produced plasma can provide insight into bursts of subatomic particles that occur in deep space. Such findings could help scientists understand cosmic…
UCLA Engineers Develop a New Technique to Control Laser Polarization
Engineers at UCLA have developed a new technique to control the polarization state of a laser that could lead to a new class of powerful,…