Lunar eclipse thrills stargazers in the Americas
A total lunar eclipse provided a spectacular celestial show as it unfolded Sunday night into early Monday in the Americas.
A total lunar eclipse provided a spectacular celestial show as it unfolded Sunday night into early Monday in the Americas.
Space Exploration
May 16, 2022
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51
New research from the University of Surrey has shown that silicon could be one of the most powerful materials for photonic informational manipulation—opening up new possibilities for the production of lasers and displays.
Optics & Photonics
Apr 27, 2021
2
1165
When it comes to microelectronics, there is one chemical element like no other: silicon, the workhorse of the transistor technology that drives our information society. The countless electronic devices we use in everyday ...
Optics & Photonics
Mar 8, 2021
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1533
Nonlinear optics, a study of how light interacts with matter, is critical to many photonic applications, from the green laser pointers we're all familiar with to intense broadband (white) light sources for quantum photonics ...
General Physics
Mar 4, 2021
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274
Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed. Such infrared ...
Optics & Photonics
Nov 23, 2020
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942
A deep-sea soft coral garden habitat has been discovered in Greenlandic waters by scientists from UCL, ZSL and Greenland Institute of Natural Resources, using an innovative and low-cost deep-sea video camera built and deployed ...
Plants & Animals
Jun 29, 2020
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1946
Terahertz (THz) radiation is a bit like a treasure chest that resists being opened fully. Residing in the electromagnetic spectrum between the infrared and microwave regions, THz radiation combines a range of properties that ...
Optics & Photonics
Jul 10, 2019
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1
Most people are familiar with optical lasers through their experience with laser pointers. But what about a laser made from sound waves?
Optics & Photonics
May 17, 2019
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7
A multicolor laser pointer you can use to change the color of the laser with a button click—similar to a multicolor ballpoint pen—is one step closer to reality thanks to a new tiny synthetic material made at Sandia National ...
Optics & Photonics
Jun 28, 2018
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30
Dangerous laser pointers are being sold to the public which unwittingly believes them to be safe, scientists from the University of Bath have warned.
Optics & Photonics
Oct 10, 2017
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12