Optical Society of America

The trillion-frame-per-second camera

When a crystal lattice is excited by a laser pulse, waves of jostling atoms can travel through the material at close to one sixth the speed of light, or approximately 28,000 miles/second. Scientists now have ...

dateApr 29, 2015 in Optics & Photonics
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Supersonic laser-propelled rockets

Scientists and science fiction writers alike have dreamt of aircrafts that are propelled by beams of light rather than conventional fuels. Now, a new method for improving the thrust generated by such laser-propulsion ...

dateOct 29, 2014 in Optics & Photonics
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