Researchers at Institut national de la recherche scientifique (INRS) have discovered a cost-effective way to tune the spectrum of a laser to the infrared, a band of great interest for many laser applications. They collaborated ...
Optics & Photonics
Oct 14, 2020
0
13
Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined frequencies, can be used ...
Optics & Photonics
Jun 22, 2020
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1041
We've all experienced turbulent air and water, but did you know light can be turbulent too?
Optics & Photonics
Jun 17, 2020
4
272
Many emerging technologies rely on high-quality lasers. Laser-based LiDAR sensors can provide highly accurate scans of three-dimensional spaces, and as such are crucial in applications ranging from autonomous vehicles to ...
Optics & Photonics
May 7, 2020
0
84
In conventional sensing methods, noise is always a problem, especially in systems that are meant to detect changes in their environment that are hardly bigger or even smaller than the noise in the system. Encountering this ...
Optics & Photonics
Feb 14, 2020
0
1327
JILA physicists and collaborators have demonstrated the first next-generation "time scale"—a system that incorporates data from multiple atomic clocks to produce a single highly accurate timekeeping signal for distribution. ...
Quantum Physics
Oct 21, 2019
0
36
Researchers have announced a prototype for a laser at the heart of the first space-based gravitational wave observatory, known as the Laser Interferometer Space Antenna (LISA) mission. The team's new laser nearly meets the ...
Optics & Photonics
Sep 18, 2019
0
35
The Landau-level laser is an exciting concept for an unusual radiation source. It could efficiently generate so-called terahertz waves, which can be used to penetrate materials, with possible applications in data transmission. ...
Optics & Photonics
Aug 19, 2019
0
812
In modern synchrotron sources and free-electron lasers, superconducting radio-frequency cavity resonators are able to supply electron bunches with extremely high energy. These resonators are currently constructed of pure ...
Superconductivity
Jul 15, 2019
0
32
Nature has a way of finding optimal solutions to complex problems. For example, despite the billions of ways for a single protein to fold, proteins always fold in a way that minimizes potential energy. Slime mold, a brainless ...
General Physics
Jun 26, 2019
0
1
