An experimental antenna has received both radio frequency and near-infrared laser signals from NASA's Psyche spacecraft as it travels through deep space. This shows it's possible for the giant dish antennas of NASA's Deep ...
Space Exploration
Feb 8, 2024
0
15
Light, as an electromagnetic field, has two essential components: amplitude and phase. However, optical detectors, usually relying on photon-to-electron conversion (such as charge-coupled device sensors and the human eye), ...
Optics & Photonics
Jan 3, 2024
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28
Fiber-optic imaging methods enable in vivo imaging deep inside hollow organs or tissues that are otherwise inaccessible to free-space optical techniques, playing a vital role in clinical practice and fundamental research, ...
Optics & Photonics
May 26, 2023
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9
Whales are huge, but they live in an even larger environment—the world's oceans. Researchers use a range of tools to study their whereabouts, including satellite tracking, aerial surveys, sightings and deploying individual ...
Plants & Animals
Jul 5, 2022
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28
The incorporation of distinct telescopes into larger coordinated networks can enhance the discovery and follow-up capacity. However, challenges still remain in scaling, deploying, organizing and scheduling such networks.
Astronomy
Aug 25, 2021
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137
Optical microscopes are frequently used in biomedical sciences to reveal fine features of a specimen, such as human tissue samples and cells, forming the backbone of pathological imaging for disease diagnosis. One of the ...
Optics & Photonics
Jan 25, 2021
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8
Scientists have developed a pioneering new approach that will rapidly speed up machine learning—using light.
Optics & Photonics
Jan 7, 2021
0
15
It's no secret that planet Earth is occasionally greeted by rocks from space that either explode in the atmosphere or impact on the surface. In addition, Earth regularly experiences meteor showers whenever it passes through ...
Astronomy
Feb 19, 2020
6
572
Scientists at Tokyo Institute of Technology have fabricated a multiplexer/demultiplexer module based on a property of light that was not being exploited in communications systems: the optical vortex. Such devices will be ...
Internet
Mar 8, 2019
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5
New work leveraging machine learning could increase the efficiency of optical telecommunications networks. As our world becomes increasingly interconnected, fiber optic cables offer the ability to transmit more data over ...
Computer Sciences
Feb 25, 2019
0
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