German physicists have discovered a time delay when using light pulses to emit electrons from atoms. Until now, it has been assumed that the electrons start moving out of the atom immediately after the impact of the photons. ...
General Physics
Jun 24, 2010
25
0
Quantum science holds promise for many technological applications, such as building hackerproof communication networks or quantum computers that could accelerate new drug discovery. These applications require a quantum version ...
Quantum Physics
Feb 2, 2022
1
897
(Phys.org) —What began as research into a method to strengthen metals has led to the discovery of a new technique that uses a pulsing laser to create synthetic nanodiamond films and patterns from graphite, with potential ...
Nanophysics
Nov 5, 2014
3
0
Pulsed lasers repeatedly emit light for a short period of time as if blinking. They have the advantage of focusing more energy than a continuous wave laser, whose intensity is kept unchanged over time. If digital signals ...
Nanophysics
Jan 20, 2021
0
394
(Phys.org)—Scientists have proposed an experiment that could measure the value of Newton's gravitational constant, G, from deep space instead of an Earth-based laboratory. The researchers predict that the deep space experiment ...
Using a new ultrafast camera, researchers have recorded the first real-time image of two atoms vibrating in a molecule.
General Physics
Mar 7, 2012
2
0
The anomalous star KIC 8462852 has baffled astronomers with its erratic dimming, causing some to speculate that it's orbited by a massive structure built by an extraterrestrial civilization. To help evaluate that possibility, ...
Astronomy
Dec 9, 2015
20
1692
(Phys.org) -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks propagate faster ...
Optics & Photonics
Apr 6, 2012
33
0
University of Central Florida College of Optics and Photonics researchers achieved the first observation of de Broglie-Mackinnon wave packets by exploiting a loophole in a 1980s-era laser physics theorem.
Optics & Photonics
Jan 27, 2023
10
543
Interactions between intense laser pulses and plasma mirrors have been the focus of several recent physics studies due to the interesting effects they produce. Experiments have revealed that these interactions can generate ...
