Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques have come with a significant limitation—they ...
Optics & Photonics
Apr 19, 2011
3
1
A tsunami holds its wave shape over very long distances across the ocean, retaining its power and 'information' far from its source.
Optics & Photonics
Jul 3, 2019
3
1
(Phys.org)—A proof-of-concept device that could pave the way for on-chip optical quantum networks has been created by a group of researchers from the US.
Quantum Physics
Feb 7, 2013
4
0
Shine a flashlight into a murky pond water and the beam won't penetrate very far. Absorption and scattering rapidly diminishes the intensity of the light beam, which loses a fixed percentage of energy per unit distance traveled. ...
Nanophysics
Apr 21, 2022
0
169
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
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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
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
(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
IBM researchers have succeeded in guiding visible light through a silicon wire efficiently, an important milestone in the exploration towards a new breed of faster, more efficient logic circuits.
Optics & Photonics
Feb 8, 2021
0
116
The world's first 3D printing technology that can be used in transparent displays and AR devices has been developed, which implements the physical phenomenon of chameleon's changing skin color or peacock's beautiful feather ...
Nanophysics
Aug 8, 2023
0
215
