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
A team of physicists from the University of Konstanz and Ludwig-Maximilians-Universität München in Germany have achieved attosecond time resolution in a transmission electron microscope by combining it with a continuous-wave ...
Optics & Photonics
Nov 11, 2020
0
835
Detecting viable bacteria is important for various fields, from food safety to medical diagnosis. The existing techniques to conduct antibiotic susceptibility testing (AST)—testing that, for example, allows health care ...
Analytical Chemistry
Nov 2, 2020
0
129
Researchers from the Moscow Institute of Physics and Technology and King's College London cleared the obstacle that had prevented the creation of electrically driven nanolasers for integrated circuits. The approach, reported ...
Optics & Photonics
Sep 16, 2020
0
11
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
Traditional online damage detection schemes can directly detect and characterize damage by imaging optical components. However, due to optical resolution, noise, shadows and reflections, the small-size damage points cannot ...
Optics & Photonics
Apr 1, 2020
0
10
monstrated new chip-based devices that contain allthe optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective platform is poised to facilitate implementation ...
Optics & Photonics
Mar 19, 2020
0
111
Light propagation is usually reciprocal, meaning that the trajectory of light travelling in one direction is identical to that of light travelling in the opposite direction. Breaking reciprocity can make light propagate only ...
Optics & Photonics
Dec 20, 2019
1
94
Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens that is essentially a flat, electronically controlled artificial ...
Nanophysics
Aug 22, 2019
0
798
Researchers have developed a new self-calibrating endoscope that produces 3-D images of objects smaller than a single cell. Without a lens or any optical, electrical or mechanical components, the tip of the endoscope measures ...
Optics & Photonics
Aug 15, 2019
0
591
