An international team of astronomers used a database combining observations from the best telescopes in the world, including the Subaru Telescope, to detect the signal from the active supermassive black holes of dying galaxies ...
Astronomy
May 27, 2022
2
656
Attosecond pulses are indispensable tools for time-resolved studies of electron dynamics on their natural time scale (1 attosecond = 10-18 seconds). Such studies include coincidence spectroscopy and experiments with high ...
Optics & Photonics
Mar 16, 2022
0
64
Professor Jukka Pekola and Doctoral Candidate Bayan Karimi from Aalto University propose a new approach to measure the energy of single microwave photons. These low energy quanta are emitted by artificial quantum systems ...
Optics & Photonics
Feb 9, 2022
0
268
Researchers have designed electromechanically reconfigurable ultrathin optical elements that can be controlled and programmed on a pixel-by-pixel level. These versatile metasurfaces could offer a new chip-based way to achieve ...
Optics & Photonics
Sep 9, 2021
0
98
Using the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST), astronomers have discovered an unusual binary system. The newly found binary, designated LAMOST J0140355+392651 (or J0140 for short), consists ...
A highly sensitive wearable sensor for cardiorespiratory monitoring could potentially be worn continuously by cardiac patients or others who require constant monitoring.
Analytical Chemistry
Jan 12, 2021
0
56
As the largest orogenic plateau on Earth, the Qinghai-Tibet Plateau was caused by a complex crustal deformation process during the continuous collision and compression process between the Indian and Eurasian continents starting ...
Earth Sciences
Jan 6, 2021
0
5
Metasurfaces provide unique platforms to realize exotic phenomena including negative refraction, achromatic focusing, and electromagnetic cloaking due to the engineered dielectric or metallic architectures. The intersection ...
Recently, researchers from the Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences (CAS) have made new progress in the timing measurement and control of ultrashort laser pulses.
Optics & Photonics
Dec 16, 2020
0
6
Researchers have shown that entangled photons can be used to improve the penetration depth of optical coherence tomography (OCT) in highly scattering materials. The method represents a way to perform OCT with mid-infrared ...
Optics & Photonics
Dec 10, 2020
0
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