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
A new method of analyzing the complex data from massive astronomical events could help gravitational wave astronomers avoid a looming computational crunch.
General Physics
Dec 21, 2021
0
352
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
Finding the biggest collisions in the universe takes time, patience, and super steady lasers.
Astronomy
Sep 15, 2021
0
71
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
At the center of most galaxies are black holes so massive—up to several billion times the mass of our sun—that they have earned the descriptor "supermassive." Compare this to your run-of-the-mill stellar-mass black hole, ...
Astronomy
May 25, 2021
1
10
In 2017, astronomers witnessed the birth of a black hole for the first time. Gravitational wave detectors picked up the ripples in spacetime caused by two neutron stars colliding to form the black hole, and other telescopes ...
General Physics
Feb 16, 2021
5
359
