When illuminated by electromagnetic waves, subwavelength-scale particles of metasurfaces can couple the incident energy to free space with controllable amplitude, phase and polarizations, such that the transmitted wave can ...
Optics & Photonics
Feb 6, 2020
0
4
(PhysOrg.com) -- A new approach to wireless communication will guarantee the reachability of emergency services in a better way. 'Cognitive radio', for which Qiwei Zhang (CTIT) developed new techniques, borrows free space ...
Telecom
Mar 2, 2009
0
0
Remote sensing of atmospheric gas plays an important role in the fields of greenhouse gas monitoring, toxic, harmful, flammable, explosive gasses, and biochemical weapons early warning. With the advent of quantum mechanics ...
Optics & Photonics
Oct 21, 2021
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14
Researcher Dr. David H. Hughes of the Air Force Research Laboratory in Rome, N.Y. is leading a team investigating long-distance, mobile optical links imperative for secure quantum communications capabilities in theater.
Engineering
Oct 27, 2009
0
0
Chiral molecules can present different chemical properties. For applications like drug delivery and diagnosis, it is important to detect chiral signals in mixtures. Although electronic circular dichroism (ECD) spectroscopy ...
Optics & Photonics
Jun 27, 2023
0
11
Scientists at the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences recently revealed hydroxyl super rotors from water photochemistry by using the Dalian Coherent Light Source (DCLS). The researchers, ...
General Physics
Mar 19, 2019
0
9
How do we make medicine last the extreme conditions of space exploration?
Space Exploration
Aug 17, 2022
0
36
For many children today, before they even start school they are already digitally literate. They know how to use a phone, make videos and take photographs. This is to be welcomed given government research has found that 82% ...
Education
Jan 30, 2020
1
7
Solitons are stable objects balanced by diffraction or dispersion and nonlinearity. A fundamental challenge in this field is the stabilization of solitons in multidimensional coordinates, since the 2-D and 3-D solitons in ...
Optics & Photonics
Mar 9, 2020
0
7
Scientists from Tomsk Polytechnic University jointly with Russian colleagues and researchers from Technical University of Denmark the first time have experimentally proved the existence of a two-dimensional (2D) curved flux ...
Nanophysics
Mar 31, 2021
0
14
