Field-free three-dimensional alignment of polyatomic molecules

被引：151

作者：

Lee, Kevin F. ^{[1
]}

Villeneuve, D. M.

Corkum, P. B.

Stolow, Albert

Underwood, Jonathan G.

机构：

[1] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada

[2] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[3] Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.97.173001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We experimentally demonstrate field-free, three-dimensional alignment (FF3DA) of polyatomic asymmetric top molecules. We achieve FF3DA in sulfur dioxide gas using two time-delayed, orthogonally polarized, nonresonant, femtosecond laser pulses. Our method avoids the use of rotational revivals and is therefore more robust to temperature. The alignment is probed using time-delayed coincidence Coulomb explosion imaging. FF3DA will be important for all molecular imaging, dynamics, or spectroscopy experiments for which random alignment leads to a loss of information.

引用

页数：4

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