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Nature 414, 494-495 (29 November 2001) | doi:10.1038/35107171
Laser science: Physics at the attosecond frontier
Yaron Silberberg
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Abstract
Ultrashort laser pulses allow physicists and chemists to watch fast molecular motion as it happens. But many fundamental atomic processes are even faster and require the shortest pulses ever created.
As every photographer knows, a flash of light can stop the action. Just as a fast flash lamp can freeze the image of a bullet in mid-flight, so short laser pulses can be used to probe fast molecular motion.
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