News tagged with laser beam

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Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

May 08, 2013
5 / 5 (1) 0

Quantum optics with microwaves

(Phys.org) —Physicists at ETH Zurich have demonstrated one of the quintessential effects of quantum optics—known as the Hong-Ou-Mandel effect—with microwaves, whose frequency is 100'000 times lower ...

May 08, 2013
4.9 / 5 (9) 0 | with audio podcast

Surveying roads at 100 km/h

Germany's road network has a hard time dealing with wind and weather, tires and steel. Until now, however, surveying the damage caused to asphalt and concrete was laborious and expensive. A new laser scanner ...

Apr 03, 2013
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NRL Nike Laser focuses on nuclear fusion

Researchers at the U.S. Naval Research Laboratory have successfully demonstrated pulse tailoring, producing a time varying focal spot size known as 'focal zooming' on the world's largest operating krypton ...

Mar 20, 2013
4.4 / 5 (10) 0