News tagged with laser beam

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Laser beams with a 'twist'

(University of the Witwatersrand) Using geometric phase inside lasers for the first time, researchers find a way to change the orbital angular momentum of laser beams.

dateMar 15, 2016 in Optics & Photonics
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How does an experiment at LIGO actually work?

Gravitational waves are mysterious ripples in the fabric of space and time that travel across our universe at the speed of light. Predicted by Einstein exactly 100 years ago, a number of experiments have been searching for ...

dateFeb 11, 2016 in Astronomy
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NASA tests ICESat-2's laser aim

Close enough doesn't cut it in the spacecraft assembly cleanroom at NASA Goddard's Space Flight Center, where engineers are building an elevation-measuring instrument to fly on the Ice, Cloud and land Elevation Satellite-2 ...

dateDec 10, 2015 in Space Exploration
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Speeding particles in the sights of a laser

It might be easier to track tiny particles in the future – even when they hurtle along with the speed of a rifle bullet. This is thanks to researchers working with Christoph Marquardt and Gerd Leuchs at the Max Planck Institute ...

dateNov 23, 2015 in Quantum Physics
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