Measuring and tracking the gases that vent from an erupting volcano is a project wrought with potential dangers and difficulties. On the ground measurements place researchers in harm's way, as do airborne sampling surveys. ...
Earth Sciences
Dec 17, 2012
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(PhysOrg.com) -- A key technical challenge of the joint ESA–NASA LISA mission has been solved: how to maintain precise pointing of a laser beam across five million km of space.
Space Exploration
Mar 8, 2011
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A unique antenna which could help unveil a new window on the universe by observing thousands of gravitational waves should be one of NASA's next space missions according to a group of leading US experts.
Space Exploration
Aug 25, 2010
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LISA, the Laser Interferometer Space Antenna, has passed a major review: the entire concept—from the definition of the overall mission and operations to the space hardware to be built—stood up to the intense scrutiny ...
Astronomy
Jan 25, 2024
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22
In order to push the performance of optical systems, aspheric- and freeform surfaces are used in state-of-the-art optic design for correcting aberrations. The production of these complex-shaped surfaces requires measuring ...
Optics & Photonics
Nov 4, 2022
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12
Traditional acousto-optic (AO) devices based on bulk crystal materials have weak energy confinement abilities for both photons and phonons, leading to a low AO interaction strength. Compared with bulk materials, photonic ...
Optics & Photonics
May 25, 2022
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41
The space-momentum domain interferometer is a key technique in modern precision measurements, and has been widely used for applications that require superb spatial resolution in engineering metrology and astronomy. Extending ...
General Physics
Nov 25, 2020
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10
Treating Diabetes – a major scourge of humanity bothering millions of people – requires a constant monitoring of the human blood for glucose concentrations. While current schemes employ electrochemical methods, they require ...
Analytical Chemistry
Jun 16, 2014
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Scientist Davide Iannuzzi and his team have developed a method to place novel miniaturised mechanical devices on the tips of optical fibres. The technology has many applications, such as providing a new generation of small, ...
Engineering
Oct 31, 2013
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The Atacama Large Millimeter/submillimeter Array (ALMA) in the Chilean Andes allows astronomers to peer into some of the darkest and furthest parts of the universe, unveiling some of its previously hidden secrets.
Astronomy
Sep 25, 2013
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