Femtosecond laser control of a chemical reaction

  title={Femtosecond laser control of a chemical reaction},
  author={Elizabeth D. Potter and Jennifer L. Herek and Sunn Pedersen and Qianli Liu and Ahmed H. Zewail},
THE critical stage in a chemical reaction — the progression through the transition state from reagents to products — occurs in less than a picosecond (10−12 s). Using laser pulses of femtosecond (10−15 s) duration it is possible to probe the nuclear motions throughout formation and break-up of the transition state1,2. The coherence and very short duration of these femtosecond pulses provides a means to influence the course of the reaction during this stage if the time resolution is made… CONTINUE READING

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