Researchers from CIC nanoGUNE (San Sebastian, Spain) and collaborators have reported in Science the development of a so-called hyperbolic metasurface on which light propagates with completely reshaped wafefronts. This scientific ...
Optics & Photonics
Feb 23, 2018
5
1391
On a hillside above Stanford University, the SLAC National Accelerator Laboratory operates a scientific instrument nearly 2 miles long. In this giant accelerator, a stream of electrons flows through a vacuum pipe, as bursts ...
Optics & Photonics
Jan 2, 2020
30
11131
A device resembling a plastic honeycomb yet infinitely smaller than a bee's stinger can steer light beams around tighter curves than ever before possible, while keeping the integrity and intensity of the beam intact.
Optics & Photonics
Mar 19, 2015
5
385
Metalenses—flat surfaces that use nanostructures to focus light—promise to revolutionize optics by replacing the bulky, curved lenses currently used in optical devices with a simple, flat surface. But, these metalenses ...
Optics & Photonics
Jan 1, 2018
12
3074
A group of scientists led by researchers from the California Institute of Technology has engineered a type of artificial optical material—a metamaterial—with a particular three-dimensional structure such that light exhibits ...
Optics & Photonics
Apr 22, 2010
10
0
The team of academician Guo Guangcan of University of Science and Technology of China (USTC) of the Chinese Academy of Sciences has made important progress in the research of cold atom super-resolution imaging. The team ...
Optics & Photonics
Jan 6, 2022
3
712
A refractive index of zero induces a wave vector with zero amplitude and undefined direction. Therefore, light propagating inside a zero-index medium does not accumulate any spatial phase advance, resulting in perfect spatial ...
Optics & Photonics
Jan 15, 2021
0
14
Most objects react in predictable ways when force is applied to them—unless they have "negative mass." And then they react exactly opposite from what you would expect.
Optics & Photonics
Jan 10, 2018
52
6028
More luminous and energy efficient than LEDs, white lasers look to be the future in lighting and light-based wireless communication.
Optics & Photonics
Jul 29, 2015
9
8615
Australian researchers from the ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP) have developed a 3D printable 'clip-on' that can turn any smartphone into a fully functional microscope.
Optics & Photonics
Feb 20, 2018
2
5075
