A few minutes into the life of the universe, colliding emissions of light energy created the first particles of matter and antimatter. We are familiar with the reverse process—matter generating energy—in everything from ...
Optics & Photonics
May 29, 2020
26
7864
A laser light shone through the dark could power robotic exploration of the most tantalizing locations in our solar system: the permanently-shadowed craters around the moon's poles, believed to be rich in water ice and other ...
Space Exploration
May 14, 2020
0
118
Macquarie University researchers have developed an improved laser system that will help large optical telescopes to gather more accurate data.
Optics & Photonics
Apr 3, 2020
0
193
Optical gain is a prerequisite for signal amplification in an optical amplifier or laser. It typically requires high levels of current injection in conventional semiconductors. By exploring an intricate balance and conversion ...
Optics & Photonics
Mar 20, 2020
0
4
Many things change for astronauts when they leave Earth and head into space, but at least one remains the same: They need food and water. NASA recently awarded funding to two University of Arizona teams to search for water ...
Space Exploration
Mar 6, 2020
1
88
Diamond is a particularly interesting material for this type of laser for two key reasons. Its high thermal conductivity means it is possible to make miniature lasers that simultaneously have high stability and high power. ...
Optics & Photonics
Mar 4, 2020
3
63
A team of researchers at Osaka University has investigated a new method for generating nuclear fusion power, showing that the relativistic effect of ultra-intense laser light improves upon current "fast ignition" methods ...
Plasma Physics
Jan 7, 2020
8
504
Researchers have designed a new chip-integrated light source that can transform infrared wavelengths into visible wavelengths, which have been difficult to produce with technology based on silicon chips. This flexible approach ...
Optics & Photonics
Dec 19, 2019
2
27
Lasers. They are used for everything from entertaining our cats to encrypting our communications. Unfortunately, lasers can be energy intensive and many are made using toxic materials like arsenic and gallium. To make lasers ...
Optics & Photonics
Dec 2, 2019
0
58
With the demonstration of a sub-picosecond thin-disk laser oscillator delivering a record-high 350-watt average output power, physicists at ETH Zurich set a new benchmark and pave the path toward even more powerful lasers.
Optics & Photonics
Nov 13, 2019
0
225
