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Attosecond ionization gating for isolated attosecond electron wave packet and broadband attosecond xuv pulses
- Pengfei Lan, Peixiang Lu, Wei Cao, Yuhua Li, Xinlin Wang,
- Original article citation: Phys. Rev. A 76, (2007).
- Categories: Physics and Chemistry
- Recommended by: Feng He on 04/17/2008 08:29PM GMT
- Reasons for recommending:
Attosecond laser pulse is the most fast camera, with which people can capture the electron motion inside the atom or molecule. However, it's a big challenge to generate ultrashort, high power attosecond pulses. In this paper, Pengfei Lu et.al. present an interesting strategy to obtain an isolated attosecond pulse, which could be realized in the current laser technology. For this reason, I strongly recommend this paper to be appeared in Nature China.
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Controlling the electronic dynamics in a reaction is one of the exciting goals of photochemistry and attosecond physics, while the gating technique is an efficient way. The attosecond ionization gating considered in this paper is timely and of much recent interest in attosecond physics. In this paper, a novel gating technique is designed by controlling the electron ionization. An isolated broadband attosecond extreme ultraviolet pulse is achievable. It can be used for electron wavepacket measurements as efficiently as a 50-as pulse, allowing one to measure a wide range of ultrafast dynamics not normally accessible before.