Students at the Faculty of Physics of the University of Warsaw (UW) and researchers from the QOT Center for Quantum Optical Technologies have developed an innovative method that allows the fractional Fourier Transform of ...
Optics & Photonics
Jun 29, 2023
6
427
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, ...
Optics & Photonics
Oct 3, 2023
11
1021
(Phys.org) —Traditional three-dimensional (3-D) plasmonic metamaterials with metallic structures – artificial materials that exploit coherent delocalized electron oscillations known as surface plasmons produced from the ...
Quantum weirdness is opening new doors for electron microscopes, powerful tools used for high-resolution imaging.
General Physics
Apr 28, 2022
0
694
(PhysOrg.com) -- Counterfeiting money is the "second oldest profession in the world" -- a profession that truly took off with the introduction of paper money. In order to spoil things for counterfeiters, Australia introduced ...
Materials Science
Apr 7, 2010
0
0
Quantum physics tell us that even massive particles can behave like waves, as if they could be in several places at once. This phenomenon is typically proven in the diffraction of a matter wave at a grating. In a European ...
Nanophysics
Aug 25, 2015
0
226
Researchers at ETH Zurich have developed a method for the production of wavy surfaces with nanometer precision. In the future this method could be used, for instance, to make optical components for data transmission on the ...
Nanophysics
Jun 25, 2020
0
519
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
(PhysOrg.com) -- At the heart of digital photography is a chip called an image sensor that captures a map of the intensity of the light as it comes through the lens and converts it to an electronic signal.
Engineering
Apr 3, 2012
0
0
Imagine being able to shape a pulse of light in any conceivable manner—compressing it, stretching it, splitting it in two, changing its intensity or altering the direction of its electric field.
Optics & Photonics
May 2, 2019
0
446
