2-COLOR RESONANT 4-WAVE-MIXING SPECTROSCOPY OF AMMONIA

被引：19
|
作者：
ASHFOLD, MNR
CHANDLER, IW
HAYDEN, CC
MCKAY, RI
HECK, AJR
机构：
[1] SANDIA NATL LABS, COMBUST RES FACIL, LIVERMORE, CA 94551 USA
[2] STANFORD UNIV, DEPT CHEM, STANFORD, CA 94305 USA
[3] UNIV BRISTOL, SCH CHEM, BRISTOL BS8 1TS, AVON, ENGLAND
来源：
CHEMICAL PHYSICS | 1995年 / 201卷 / 01期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0301-0104(95)00269-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We demonstrate the use of two-color resonant four-wave mixing (TC-RFWM) spectroscopy to detect gas-phase ammonia molecules. Appropriate choice of the two different excitation frequencies is shown to cause substantial enhancement in the third-order susceptibility, (chi)(3)r and a consequent increase both in spectral sensitivity and in selectivity as compared with the corresponding one-color degenerate four-wave mixing (DFWM) technique.
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页码：237 / 244
页数：8
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