NASA Small Spacecraft Technology Program's Integrated Solar and Reflectarray Antenna, or ISARA, and Optical Communications and Sensor Demonstration, or OCSD, spacecraft recently completed systems checkout and have moved into ...
Space Exploration
Mar 30, 2018
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30
Atoms and molecules can be made to emit photons. However, without external intervention, this process is inefficient and undirected. If it was possible to influence the process of photon creation in terms of efficiency and ...
Optics & Photonics
Dec 12, 2017
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81
On 27 July 2017, the newly built Low Frequency Array (LOFAR) station in Ireland will be officially opened. This extends the largest radio telescope in the world, connecting to its central core of antennas in the north of ...
Space Exploration
Jul 28, 2017
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7
Using a tiny device known as an optical antenna, researchers have created an X-ray sensor that is integrated onto the end of an optical fiber just a few tens of microns in diameter. By detecting X-rays at an extremely small ...
Optics & Photonics
Mar 28, 2017
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307
The IBS research group devised disordered arrangement of the antennas to minimize redundancy between the antennas and enabled each antenna to function independently. As a result, the device can provide 40 times wider bandwidth ...
Engineering
Mar 17, 2017
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9
(Phys.org)—Researchers have fabricated a silicon optical antenna that is somewhat like an extremely small, special kind of prism. This is because when a red light shines on the optical antenna, the light turns right, but ...
Researchers from the University of Cambridge have designed a new type of pixel element and demonstrated its unique switching capability, which could make three-dimensional holographic displays possible.
Condensed Matter
Mar 17, 2015
1
2341
Berkeley Lab researchers have developed a nano-sized optical antenna that can greatly enhance the spontaneous emission of light from atoms, molecules and semiconductor quantum dots. This advance opens the door to light-emitting ...
Optics & Photonics
Feb 3, 2015
1
1125
There is an ever growing demand for high speed internet communication systems. New research has shown optical switching technology built on nanoantenna reflectarrays and tunable materials could transform high speed optical ...
Optics & Photonics
Dec 2, 2014
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1
(Phys.org) —High-speed reading of the genetic code should get a boost with the creation of the world's first graphene nanopores – pores measuring approximately 2 nanometers in diameter – that feature a "built-in" optical ...
Bio & Medicine
Nov 6, 2014
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