Plasma, ionized gas and the fourth state of matter, makes up over 99% of the ordinary matter in the universe. Understanding ...

At the core of the breakthrough is an optical parametric oscillator (OPO), a resonator that converts incoming laser light ...

Since the advent of lasers, researchers have strived to build an acoustic equivalent — devices that can amplify and emit sound waves at a single frequency. Kerry Vahala and his group at the California ...

New ground-breaking research could change the way scientists understand and describe lasers - establishing a new relationship between classical and quantum physics. New ground-breaking research from ...

Physicists at Harvard University and Arizona State University in the US have succeeded in laser-cooling YbOH molecules – a crucial first step towards using these molecules to make precision ...

Dynamic switch: a switchable metasurface, tuned by green laser light, can block or transmit particular wavelengths of light. (Courtesy: CMP/ORC Southampton University) A new type of optical ...

Scientists Arthur Ashkin, Gerard Mourou and Donna Strickland have won the 2018 Nobel Prize for Physics for breakthroughs in the field of lasers used for surgery as well as scientific study. Arthur ...

A trio of American, Canadian, and French scientists have won the Nobel Prize in physics for their work with lasers. Arthur Ashkin of the U.S., Frenchman Gerard Mourou and Canada's Donna Strickland won ...

Three physicists whose pioneering work transformed lasers from science-fiction fantasy into powerful tools were awarded the 2018 Nobel Prize in physics. Arthur Ashkin, a researcher at Bell ...