A research team from NTNU is studying a topic called optical cavities and how the light trapped in them interacts with atoms, molecules and other particles. The technology could prove valuable for the development of energy-efficient ...
Optics & Photonics
May 12, 2022
0
76
In physics, as in life, it's always good to look at things from different perspectives.
Condensed Matter
Apr 27, 2022
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1600
A hand-held laser pointer produces no noticeable recoil forces when it is "fired"—even though it emits a directed stream of light particles. The reason for this is its very large mass compared to the very small recoil impulses ...
Nanophysics
Apr 21, 2022
1
161
Aerosols in the atmosphere react to incident sunlight. This light is amplified in the interior of the aerosol droplets and particles, accelerating reactions. ETH researchers have now been able to demonstrate and quantify ...
Optics & Photonics
Apr 14, 2022
0
66
Researchers at the University of Bonn have created a gas of light particles that can be extremely compressed. Their results confirm the predictions of central theories of quantum physics. The findings could also point the ...
Optics & Photonics
Mar 24, 2022
2
315
If you see the northern lights overhead, chances are you are in a chilly, polar climate. But the cold-weather delights—also known as aurora borealis—high above you are actually an important source of heat. A new NASA ...
Astronomy
Mar 21, 2022
0
117
A hybrid matter—an antimatter helium atom containing an antiproton, the proton's antimatter equivalent in place of an electron, has an unexpected response to laser light when immersed in superfluid helium, reports the ASACUSA ...
General Physics
Mar 17, 2022
0
1757
Optical tweezers use light to immobilize microscopic particles as small as a single atom in 3D space. The basic principle behind optical tweezers is the momentum transfer between light and the object being held. Analogous ...
Optics & Photonics
Jan 26, 2022
0
604
In the particle world, sometimes two is better than one. Take, for instance, electron pairs. When two electrons are bound together, they can glide through a material without friction, giving the material special superconducting ...
Quantum Physics
Jan 10, 2022
4
4135
Quantum mechanically entangled light particles break down the boundaries of conventional optics and allow a glimpse into previously invisible wavelength ranges, thus bringing about new possibilities for imaging techniques, ...
Optics & Photonics
Jan 3, 2022
0
301
