Holographic movies, like the one R2D2 projected of Princess Leia in "Star Wars: A New Hope," have long been the province of science fiction, but for most of us, the extent of our experience with holograms may be the dime-sized ...
Optics & Photonics
Aug 31, 2020
0
704
A new design for light-emitting diodes (LEDs) developed by a team including scientists at the National Institute of Standards and Technology (NIST) may hold the key to overcoming a long-standing limitation in the light sources' ...
Nanophysics
Aug 14, 2020
0
2853
Scientists at Stockholm University have discovered that water can exhibit a similar behavior to that of a liquid crystal when illuminated with laser light. This effect originates by the alignment of water molecules, which ...
Condensed Matter
Aug 11, 2020
0
1070
Scientists have successfully developed a pocket-sized particle accelerator capable of projecting ultra-short electron beams with laser light at more than 99.99% of the speed of light.
Optics & Photonics
Aug 11, 2020
15
6447
Dozens of times over the last decade NASA scientists have launched laser beams at a reflector the size of a paperback novel about 240,000 miles (385,000 kilometers) away from Earth. They announced today, in collaboration ...
Space Exploration
Aug 11, 2020
21
511
A few months ago, a team of scientists from the National Institute of Standards and Technology (NIST) reported something surprising about a 2-D magnetic material: Behavior that had long been presumed to be due to vibrations ...
Quantum Physics
Aug 5, 2020
0
81
In a peninsula far, far away, a laser shoots into the sky to study the Antarctic atmosphere at Concordia research station.
Space Exploration
Aug 4, 2020
0
13
Two-photon lithography (TPL)—a widely used 3-D nanoprinting technique that uses laser light to create 3-D objects—has shown promise in research applications but has yet to achieve widespread industry acceptance due to ...
Nanophysics
Jul 30, 2020
0
126
Modern applications such as high resolution microsopy or micro- or nanoscale material processing require customized laser beams that do not change during propagation. This represents an immense challenge since light typically ...
Optics & Photonics
Jul 29, 2020
0
7
Optical tweezers are a device which uses a laser beam to move micron-sized objects such as living cells, proteins, and molecules. In 2018, the American physicist Arthur Eshkin received the Nobel Prize for this technology. ...
Optics & Photonics
Jul 23, 2020
0
28
