Hyperspectral camera captures wealth of data in an instant
Standard snapshots from space don't quite show Earth in all its glory. There's so much more to see.
Optics & Photonics
May 20, 2019
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News tagged with spectral resolution
Unraveling the stellar content of young clusters
About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and grow. Astronomers trying to understand ...
Astronomy
Aug 14, 2018
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39
Generating broadband terahertz radiation from a microplasma in air
Researchers at the University of Rochester's Institute of Optics have shown that a laser-generated microplasma in air can be used as a source of broadband terahertz radiation.
Optics & Photonics
Apr 24, 2015
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3956
What does the next generation telescope need to detect life?
Almost 2,000 extrasolar planets have been discovered to date and this number is constantly increasing. Yet, we still know little about these alien worlds, especially their atmospheres. The atmospheres of terrestrial exoplanets ...
Astronomy
Oct 23, 2014
1
0
Astronomers using Keck Observatory discover rain falling from Saturn's rings
(Phys.org) —NASA funded observations on the W. M. Keck Observatory with analysis led by the University of Leicester, England tracked the "rain" of charged water particles into the atmosphere of Saturn and found the extent ...
Space Exploration
Apr 10, 2013
9
0
NASA Radar Provides First Look Inside Moon's Shadowed Craters
(PhysOrg.com) -- Using a NASA radar flying aboard India's Chandrayaan-1 spacecraft, scientists are getting their first look inside the moon's coldest, darkest craters.
Space Exploration
Jan 16, 2009
2
0
New excitation method of stimulated Raman scattering achieves natural-linewidth-limit spectral lines
Stimulated Raman Scattering (SRS) has been developed as an essential quantitative contrast for chemical imaging in recent years. However, the spectral resolution of the mainstream SRS modalities is always lower than the state-of-the-art ...
Optics & Photonics
Mar 15, 2024
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1
Novel method improves Fourier transform infrared spectroscopy detection of ultra-low concentration trace substances
Recently, a research team led by Prof. Gao Minguang and Associate Prof. Li Xiangxian from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences (CAS) has developed a spectral resolution enhancement method ...
Analytical Chemistry
Mar 7, 2024
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2
Hyper-spectral-resolution stimulated Raman spectroscopy with amplified fs pulse bursts
Stimulated Raman scattering, observed first in 1962, has become a versatile tool in diverse fields such as biological imaging, environmental gas sensing, materials characterization, and molecular dynamics tracking. The choice ...
Optics & Photonics
Mar 4, 2024
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5
Chip-scale spectrometry using a photonic molecule
Chip-scale miniaturization of spectrometers allows rapid detection of spectral information in portable devices, opening up new applications. However, integrated spectrometers typically suffer from a trade-off between spectral ...
Optics & Photonics
Mar 7, 2023
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