Particles can move as waves along different paths at the same time—this is one of the most important findings of quantum physics. A particularly impressive example is the neutron interferometer: neutrons are fired at a ...
Condensed Matter
Jul 18, 2022
3
433
The vibrational modes of nanomechanical resonators are analogous to different notes of a guitar string and have similar properties such as frequency (pitch) and lifetime. The lifetime is characterized by the quality factor, ...
Nanophysics
May 12, 2022
1
173
First predicted in Einstein's theory of general relativity, gravitational waves are tiny ripples in spacetime generated by titanic and powerful cosmic events. The great physicist believed that no equipment would ever be sensitive ...
General Physics
Mar 22, 2022
1
1418
Optical interference is not only a fundamental phenomenon that has enabled new theories of light to be derived, but it has also been used in interferometry for the measurement of small displacements, refractive index changes, ...
Optics & Photonics
Dec 27, 2021
0
288
By merging two or more sources of light, interferometers create interference patterns that can provide remarkably detailed information about everything they illuminate, from a tiny flaw on a mirror, to the dispersion of pollutants ...
Optics & Photonics
Nov 12, 2021
0
206
The announcement that the Laser Interferometer Gravitational-wave Observatory (LIGO) had detected gravitational waves during the merger of two black holes sent ripples throughout the scientific community in 2016. The earthshaking ...
General Physics
Nov 10, 2021
1
162
Interferometers are widely used in various high spatial resolution imaging techniques to extend the diffraction limit. However, the conventional interferometric methods only work when the photons have the same wavelength.
Optics & Photonics
Sep 17, 2021
0
123
A long time ago, in two galaxies about 900 million light-years away, two black holes each gobbled up their neutron star companions, triggering gravitational waves that finally hit Earth in January 2020.
Astronomy
Jun 29, 2021
28
640
Physicists in Israel have created a quantum interferometer on an atom chip. This device can be used to explore the fundamentals of quantum theory by studying the interference pattern between two beams of atoms. University ...
Quantum Physics
Jun 7, 2021
0
1882
Solving the equations of general relativity for colliding black holes is no simple matter.
Astronomy
Nov 6, 2020
3
1389
