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Optics & Photonics Sep 25, 2025

Gradient-doped crystal design enhances laser performance in dual-end pumping configuration

Recently, the research groups led by Prof. Zhang Qingli and Prof. Jiang Haihe from Hefei institutes of Physical Science (HFIPS) of Chinese Academy of Sciences (CAS) have jointly developed a high-symmetry gradient-doped Nd:YAG ...

Optics & Photonics Sep 19, 2025

Controlling electron interference in time with chirped laser pulses

In quantum mechanics, particles such as electrons act like waves and can even interfere with themselves—a striking and counterintuitive feature that defies our classical view of reality. We know this kind of interference ...

Optics & Photonics Sep 17, 2025

Single-shot laser technique captures plasma evolution at 100 billion frames per second

Plasma, ionized gas and the fourth state of matter, makes up over 99% of the ordinary matter in the universe. Understanding its properties is critical for developing fusion energy sources, modeling astrophysical objects like ...

Planetary Sciences Sep 15, 2025

Lasers can melt through extraterrestrial ice efficiently

Lasers aren't just useful for entertaining cats or pointing out features of PowerPoint slides. They can also drill holes on icy extraterrestrial bodies from comets to Mars polar caps—at least, according to a new paper published ...

Analytical Chemistry Sep 12, 2025

Laser reveals sound from supersonic molecules in near-space cold conditions

What happens when you hurl molecules faster than sound through a vacuum chamber nearly as cold as space itself? At the University of Missouri, researchers are finding out—and discovering new ways to detect molecules under ...

Optics & Photonics Sep 11, 2025

Narrow-linewidth laser on a chip sets new standard for frequency purity

A record-breaking development in laser technology could help support the development of smaller, cheaper, more easily-fabricated optical and quantum technologies, its inventors say.

General Physics Sep 8, 2025

Physicists devise an idea for lasers that shoot beams of neutrinos

At any given moment, trillions of particles called neutrinos are streaming through our bodies and every material in our surroundings, without noticeable effect. Smaller than electrons and lighter than protons, these ghostly ...

Planetary Sciences Sep 4, 2025

No radio astronomy needed: Ring laser measures Earth's axis wobble with unprecedented precision

As Earth moves through space, it wobbles slightly. A team of researchers from the Technical University of Munich (TUM) and the University of Bonn has now succeeded in measuring these fluctuations in Earth's axis using a completely ...

Earth Sciences Sep 1, 2025

Satellite laser ranging technique reveals 90 mm sea-level surge over past 30 years

The rise in global mean sea level (GMSL) is a critical indicator of climate change. Hong Kong Polytechnic University (PolyU) researchers have utilized advanced space geodetic technologies to deliver the first precise 30-year ...

Nanophysics Aug 29, 2025

Making the invisible visible: Dual laser excitation boosts light emission at nanoscale

Light still holds surprises—as demonstrated by researchers from the Ultrafast Phenomena Lab at the Faculty of Physics, University of Warsaw, in collaboration with the Institute of Low Temperature and Structure Research, the ...

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