Curved lenses, like those in cameras or telescopes, are stacked in order to reduce distortions and resolve a clear image. That's why high-power microscopes are so big and telephoto lenses so long.
Optics & Photonics
Jun 2, 2016
0
2413
The fundamental resource that drives a quantum computer is entanglement—the connection between two distant particles which Einstein famously called 'spooky action at a distance'. The Bristol researchers have, for the ...
Optics & Photonics
Dec 11, 2011
14
1196
They may be tiny weapons, but Brigham Young University's holography research group has figured out how to create lightsabers—green for Yoda and red for Darth Vader, naturally—with actual luminous beams rising from them.
Optics & Photonics
May 7, 2021
8
2290
Electromagnetic pulses lasting one millionth of a millionth of a second may hold the key to advances in medical imaging, communications and drug development. But the pulses, called terahertz waves, have long required elaborate ...
Optics & Photonics
Feb 9, 2017
1
4925
Researchers at Princeton University have begun crystallizing light as part of an effort to answer fundamental questions about the physics of matter.
Optics & Photonics
Sep 9, 2014
15
1178
Since the 17th century, when Isaac Newton and Christiaan Huygens first debated the nature of light, scientists have been puzzling over whether light is best viewed as a wave or a particle—or perhaps, at the quantum level, ...
Optics & Photonics
Aug 21, 2023
1
3832
University of Central Florida researchers have developed a new type of laser beam that doesn't follow long-held principles about how light refracts and travels.
Optics & Photonics
Aug 6, 2020
7
5456
Scientists have developed a way of extracting a richer palette of colours from the available spectrum by harnessing disordered patterns inspired by nature that would typically be seen as black.
Optics & Photonics
Mar 27, 2020
3
1846
Capturing blur-free images of fast movements like falling water droplets or molecular interactions requires expensive ultrafast cameras that acquire millions of images per second. In a new paper, researchers report a camera ...
Optics & Photonics
Sep 14, 2023
0
1170
Whether in photosynthesis or in a photovoltaic system: if you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take place in a thin layer of ...
Optics & Photonics
Aug 25, 2022
8
1743
