Just days after a 2020 magnitude 5.1 earthquake in Tangshan, China, researchers turned nearly 8 kilometers of unused telecom fiber optic cable into a seismic array that detected dozens of aftershocks that were missed by permanent ...
Earth Sciences
Dec 15, 2021
0
3
Skoltech researchers and their colleagues have come one step closer to a working optoacoustic endoscopic probe—a device that could slip inside a blood vessel and analyze atherosclerotic plaques by shining laser light on ...
Optics & Photonics
Dec 3, 2021
0
45
Quick bursts of laser light, lasting less than a trillionth of a second, are used in a range of applications today. These ultrashort laser pulses have allowed scientists to observe chemical reactions in real-time, image delicate ...
Optics & Photonics
Nov 11, 2021
0
289
Almost a century ago, Albert Einstein received the Nobel Prize for Physics for his explanation of the photoelectric effect. Published in 1905, Einstein's theory incorporated the idea that light is made up of particles called ...
Optics & Photonics
Jun 17, 2021
0
10
The field of ultrafast nonlinear photonics has now become the focus of numerous studies, as it enables a host of applications in advanced on-chip spectroscopy and information processing. The latter in particular requires ...
Optics & Photonics
Jun 9, 2021
0
11
Unlike the oscillations of sound waves, the oscillations of light are so fast that extremely complex equipment is needed to observe them directly. However, it is possible to measure the frequencies of these oscillations indirectly ...
Optics & Photonics
May 10, 2021
0
903
Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds ...
Optics & Photonics
Apr 30, 2021
0
3035
At the Seismological Society of America's 2021 Annual Meeting, researchers shared how they are using fiber optic cable to detect the small earthquakes that occur in ice in Antarctica.
Earth Sciences
Apr 23, 2021
0
17
New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a femtosecond optical shutter, the technique ...
Optics & Photonics
Apr 14, 2021
0
192
Vladislav Yakovlev, professor in the Department of Biomedical Engineering at Texas A&M University, is part of a multiuniversity team researching how electrical and optical pulses can benefit cell absorption of materials, ...
Biochemistry
Apr 6, 2021
0
35
