Volume 89 Issue 37 | p. 11 | News of The Week
Issue Date: September 12, 2011

Light Pulses Get Shorter

Dynamics: ‘Light transients’ will enable control of electrons on attosecond scale
Department: Science & Technology
Keywords: Attosecond, femtosecond, pump-probe, light transients, electron dynamics

A beam of light can be split and recombined into ultrashort pulses with waveforms that have sub-femtosecond features, reports an international team of researchers (Science, DOI: 10.1126/science.1210268). The work opens up a new way to observe and control electron dynamics.

Scientists can also control the structure of the shorter features depending on how the light pulses are combined. That will allow time-dependent study of electron dynamics, says Paul . . .

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