Multi-kilowatt (kW) (≥3kW) level fiber lasers with high stability are significant in many applications, and Yb-doped fiber is the key device in such fiber lasers. The incredible advances of the past few decades in fiber ...
Optics & Photonics
Nov 27, 2020
0
14
Ever since Nikola Tesla spewed electricity in all directions with his coil back in 1891, scientists have been thinking up ways to send electrical power through the air. The dream is to charge your phone or laptop, or maybe ...
General Physics
Nov 19, 2020
12
3671
Using the Advanced Laser Light Source (ALLS) facility, the research team of Professor François Légaré of the Institut national de la recherche scientifique (INRS) has pushed back the boundaries of high-energy pulse propagation ...
Optics & Photonics
Nov 19, 2020
0
208
Photoacoustic spectroscopy applied to background-free analyses was used to measure unprecedentedly small trace gas concentrations. Teemu Tomberg from the University of Helsinki developed detection methods that make it possible ...
Optics & Photonics
Oct 30, 2020
0
7
Researchers have developed an ultrafast fiber laser that delivers an average power more than ten times what is available from today's high-power lasers. The technology is poised to improve industrial-scale materials processing ...
Optics & Photonics
Oct 13, 2020
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8
The explosive growth of internet use leads to an explosion of the energy consumption of data centers. Vertical cavity surface emitting lasers (VCSELs) are key enabling devices meeting the requirements of optical interconnects ...
Optics & Photonics
Sep 24, 2020
0
10
A high-power laser, optimized optical pathway, a patented adaptive resolution technology, and smart algorithms for laser scanning have enabled UpNano, a Vienna-based high-tech company, to produce high-resolution 3-D-printing ...
Nanomaterials
Sep 10, 2020
0
11
In science fiction, firing powerful lasers looks easy—the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, care must be taken to ensure ...
Optics & Photonics
Aug 21, 2020
0
207
The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas. Researchers would like to monitor gas and steam ...
Earth Sciences
Aug 5, 2020
0
81
Terahertz lasers could soon have their moment. Emitting radiation that sits somewhere between microwaves and infrared light along the electromagnetic spectrum, terahertz lasers have been the focus of intense study due to ...
Optics & Photonics
Jun 11, 2020
0
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