Femtosecond phase-coherent two-dimensional spectroscopy

被引：416

作者：

Tian, PF ^{[1
]}

Keusters, D

Suzaki, Y

Warren, WS

机构：

[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

[2] Princeton Univ, Ctr Ultrafast Laser Applicat, Dept Chem, Princeton, NJ 08544 USA

[3] Kagawa Univ, Fac Engn, Dept Adv Mat Sci, Kagawa 7610396, Japan

来源：

SCIENCE | 2003年 / 300卷 / 5625期

关键词：

D O I：

10.1126/science.1083433

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Femtosecond phase-coherent two-dimensional (2D) spectroscopy has been experimentally demonstrated as the direct optical analog of 2D nuclear magnetic resonance. An acousto-optic pulse shaper created a collinear three-pulse sequence with well-controlled and variable interpulse delays and phases, which interacted with a model atomic system of rubidium vapor. The desired nonlinear polarization was selected by phase cycling (coadding experimental results obtained with different interpulse phases). This method may enhance our ability to probe the femtosecond structural dynamics of macromolecules.

引用

页码：1553 / 1555

页数：3

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