Scientists have generated circularly polarized light and controlled its direction without using clunky magnets or very low temperatures. The findings, by Nagoya University researchers and colleagues in Japan, and published ...
Optics & Photonics
Sep 14, 2021
0
253
Using the Nanshan One-meter Wide-field Telescope (NOWT), Chinese astronomers have performed multi-color photometric observations of a rapidly rotating magnetic star known as HD 345439. Results of this observational campaign, ...
(Phys.org)—Graphene can be used to investigate how light interacts with nano-antennas, potentially increasing the efficiency of solar cells and photo detectors, University of Manchester researchers have found.
Nanomaterials
Oct 4, 2013
0
0
(PhysOrg.com) -- The Sculptor galaxy is shown in different infrared hues, in this new mosaic from NASA's Wide-field Infrared Survey Explorer, or WISE. The main picture is a composite of infrared light captured with all four ...
Astronomy
Oct 14, 2010
2
0
The Northern Lights have fascinated human beings for millennia. In fact, their existence has informed the mythology of many cultures, including the Inuit, Northern Cree, and ancient Norse. They were also a source of intense ...
Space Exploration
Sep 26, 2016
0
18
Launched in 2011, NASA's NEOWISE mission operated in Earth's orbit until late last week. It detected more than 3,000 near-Earth objects or NEOs—asteroids or comets whose orbits can bring them close to Earth, even with the ...
Astronomy
Aug 13, 2024
1
27
An optical device at nanoscale which allows light to pass in only one direction has been developed at TU Wien (Vienna). It consists of alkali atoms which are coupled to ultrathin glass fibres.
Nanophysics
Dec 14, 2015
0
1688
Engineering researchers at the University of Michigan have demonstrated a paradigm-shifting "polariton" laser that's fueled not by light, but by electricity.
Optics & Photonics
May 15, 2013
4
1
Astronomers have used the GRAVITY instrument to study the immediate vicinity of a young star in more detail than ever before. Their observations confirm a thirty-year-old theory about the growth of young stars: the magnetic ...
Astronomy
Aug 27, 2020
132
626
University of Rochester optics professor Jannick Rolland has developed an optical technology that provides unprecedented images under the skin's surface. The aim of the technology is to detect and examine skin lesions to ...
General Physics
Feb 19, 2011
0
0
