Sensitive femtosecond coherent anti-Stokes Raman spectroscopy discrimination between dipicolinic acid and dinicotinic acid

被引：10

作者：

Dogariu, Arthur ^{[1
]}

Huang, Yu

Avitzour, Yoav

Murawski, Robert K.

Scully, Marlan O.

机构：

[1] Princeton Univ, Engn Quad, Appl Phys & Mat Sci Grp, Princeton, NJ 08544 USA

[2] Texas A&M Univ, Inst Quantum Studies, College Stn, TX 77843 USA

[3] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

来源：

OPTICS LETTERS | 2006年 / 31卷 / 21期

关键词：

D O I：

10.1364/OL.31.003176

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate that femtosecond ultraviolet and visible coherent anti-Stokes Raman spectroscopy provides the sensitivity and specificity needed to distinguish between two similar molecules of pyridinedicarboxylic acid. The Fourier transforms of the temporal measurements provide the energy difference between the ground state vibrational modes. Quantum chemical calculations provide theoretical predictions that agree well with the measurements. The present technique allows us to distinguish 10 cm(-1) frequency shifts by using pulses ten times broader than the shifts. (c) 2006 Optical Society of America.

引用

页码：3176 / 3178

页数：3

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