The results from the National Physical Laboratory's (NPL) latest research in photonics could open doors to new quantum technologies and telecoms systems
Optics & Photonics
Jan 14, 2019
0
2026
The nucleus of thorium-229 possesses a property that is unique among all known nuclides: It should be possible to excite it with ultraviolet light. To date, little has been known about the low-energy state of the Th-229 nucleus ...
General Physics
Apr 18, 2018
0
193
A European collaboration involving clock experts from the National Physical Laboratory (NPL), the Physikalisch-Technische Bundesanstalt (PTB) and the Istituto Nazionale di Ricerca Metrologica (INRIM) has used a transportable ...
Optics & Photonics
Feb 13, 2018
0
60
For the first time, researchers have demonstrated that a stable frequency reference can be reliably transmitted more than 300 kilometers over a standard fiber optic telecommunications network and used to synchronize two radio ...
Optics & Photonics
Feb 1, 2018
0
28
What could be better than a world-leading atomic clock? Two clocks in one.
General Physics
Nov 28, 2016
1
48
For the first time, an optical clock has traveled to space, surviving harsh rocket launch conditions and successfully operating under the microgravity that would be experienced on a satellite. This demonstration brings optical ...
Optics & Photonics
Nov 17, 2016
0
1098
In the past few years, optical atomic clocks have made spectacular progress, becoming 100 times more precise than the best caesium clocks. So far, their precision has been available only locally, since frequency transfer ...
General Physics
Aug 9, 2016
2
42
GPS-based navigation, communication systems, electrical power grids and financial networks all rely on the precise time kept by a network of around 500 atomic clocks located around the world.
Optics & Photonics
May 25, 2016
6
590
Japanese researchers have built a pair of clocks which they say are so accurate they will lose a second only every 16 billion years—longer than the Earth has been around.
General Physics
Feb 23, 2015
8
169
It is difficult to imagine the modern world without the Global Positioning System (GPS), which provides real-time positioning, navigation and timing (PNT) data for countless military and civilian uses. Thanks in part to early ...
Engineering
Jul 25, 2014
1
1
