Why is sugar not transparent? Because light that penetrates a piece of sugar is scattered, altered and deflected in a highly complicated way. However, as a research team from TU Wien (Vienna) and Utrecht University (Netherlands) ...
Optics & Photonics
Apr 12, 2021
6
12020
Imagine a cube on which light is projected by a flashlight. The cube reflects the light in a particular way, so simply spinning the cube or moving the flashlight makes it possible to examine each aspect and deduce information ...
Nanophysics
Mar 25, 2021
0
154
The detected intensity from two coherent point-like light sources depends on their relative positions. It is a well-known phenomenon called optical interference. In general, the intensity can range from zero (destructive ...
General Physics
Mar 19, 2021
0
5380
Researchers of the Center for Photonics and Two-Dimensional Materials at MIPT, together with their colleagues from Spain, Great Britain, Sweden, and Singapore, including co-creator of the world's first 2-D material and Nobel ...
Optics & Photonics
Mar 3, 2021
0
43
An electron-hole liquid is a unique collective quantum state formation in semiconductors where free charges can condense into a droplet. These droplets have interesting uses for laser-controlled circuits based on light beams ...
General Physics
Feb 18, 2021
0
27
Laser beams can be used to precisely measure an object's position or velocity. Normally, however, a clear, unobstructed view of this object is required—and this prerequisite is not always satisfied. In biomedicine, for ...
Optics & Photonics
Jan 25, 2021
0
97
It's cool to be small. Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms down to a few thousandths of a degree above absolute zero, the ...
Quantum Physics
Jan 21, 2021
0
405
Beam-driven wakefield acceleration approaches are promising candidates for future large-scale machines, including X-ray free electron lasers and linear colliders, as they have the potential to improve efficiency and reduce ...
Optics & Photonics
Jan 21, 2021
1
131
Researchers have developed a new laser-based process for 3-D printing intricate parts made of glass. With further development, the new method could be useful for making complex optics for vision, imaging, illumination or ...
Optics & Photonics
Jan 12, 2021
1
439
An especially counter-intuitive feature of quantum mechanics is that a single event can exist in a state of superposition—happening both here and there, or both today and tomorrow.
Quantum Physics
Dec 18, 2020
2
773
