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Ultrafast lasers catch electrons relaxing after brief excitement

Posted on 15 Sep 2017 in Journalism, Physics

No one can match these electrons when it comes to relaxing. Within a few hundred attoseconds – billionths of a billionth of a second – of being hit by an X-ray pulse, they are already back where they were, sitting calmly in a low-energy state. Image: Attoelectronics Group, MPQ

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Shortest ever pulse of visible light spots photons fleeing atoms

Posted on 3 Feb 2016 in Featured, Physics

The ultimate high-speed flashbulb just measured how quickly electrons inside atoms respond to light. The work could speed the development of light-based electronics. At 380 attoseconds long – 380 x 10^-18 seconds – the flashes are the shortest pulses of visible light ever created in the lab. Image: Christian Hackenberger/Attoelectronics MPQ

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Immortal signals promise perfect web video

Posted on 7 Sep 2010 in Journalism, Online, Technology

A technique to revitalise optical signals so that they never die could provide a route to faster internet connections. Read more…...

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Laser creates clouds over Germany

Posted on 2 May 2010 in Journalism

Physicists used lasers to create mini clouds in the lab – and then repeated the trick in the skies over Berlin. Read more…...

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Laser ‘punch’ could bump up fusion power

Posted on 1 Apr 2010 in Journalism

Hitting a fusion fuel pellet directly with a laser could increase the efficiency of reactions – and create fewer radioactive...

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