Researchers from the University of Rostock have developed a novel type of nonlinear photonic circuitry in which intense light beams can define their own path and, in doing so, render themselves impervious to external perturbations. ...
Optics & Photonics
Nov 6, 2020
0
109
Photoacoustic spectroscopy applied to background-free analyses was used to measure unprecedentedly small trace gas concentrations. Teemu Tomberg from the University of Helsinki developed detection methods that make it possible ...
Optics & Photonics
Oct 30, 2020
0
7
Walk into a quantum lab where scientists trap ions, and you'll find benchtops full of mirrors and lenses, all focusing lasers to hit an ion "trapped" in place above a chip. By using lasers to control ions, scientists have ...
Quantum Physics
Oct 22, 2020
0
364
In 2018, one-half of the Nobel Prize was awarded to Arthur Ashkin, the physicist who developed optical tweezers, the use of a tightly focused laser beam to isolate and move micron-scale objects (the size of red blood cells). ...
Bio & Medicine
Sep 1, 2020
0
230
Optical vortices, characterized by a helical phase front and doughnut-shaped intensity distribution, contribute to a broad range of applications, from microscopy to optical communications. And applications for optical vortices ...
Optics & Photonics
Aug 28, 2020
0
1247
In science fiction, firing powerful lasers looks easy—the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, care must be taken to ensure ...
Optics & Photonics
Aug 21, 2020
0
207
The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas. Researchers would like to monitor gas and steam ...
Earth Sciences
Aug 5, 2020
0
81
A way of shrinking the devices used in quantum sensing systems has been developed by researchers at the UK Quantum Technology Hub Sensors and Timing, which is led by the University of Birmingham.
Quantum Physics
Jul 29, 2020
0
1956
At just 1/1000th of a millimeter, nanoparticles are impossible to see with the naked eye. But, despite being small, they're extremely important in many ways. If scientists want to take a close look at DNA, proteins, or viruses, ...
Nanophysics
Jul 27, 2020
0
4
If the eyes are the mirror of the soul, then thanks to the translucent corneas, we can look deep into that soul. And thanks to the work of scientists from the Institute of Physical Chemistry of the Polish Academy of Sciences, ...
Optics & Photonics
Jul 27, 2020
0
14
