TIME-RESOLVED RAMAN-SPECTROSCOPY FROM REACTING OPTICALLY LEVITATED MICRODROPLETS

被引:28
作者
CARLS, JC
MONCIVAIS, G
BROCK, JR
机构
[1] University of Texas at Austin, Department of Chemical Engineering, Austin, TX
来源
APPLIED OPTICS | 1990年 / 29卷 / 19期
关键词
D O I
10.1364/AO.29.002913
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Time-iesolvea Raman spectroscopy is evaluated as a tool for studying reactions in aerosol microdroplets. As a test reaction, the absorption of D20 vapor by an optically levitated glycerol droplet is considered. With the present apparatus, time scales of the order of 1 s have been resolved. By considering the relative amplitude of various features, the composition of the suspended droplet can be estimated as a function of time. In addition, for the D20-glycerol system the average temperature of the optically levitated droplet can be deduced. © 1990 Optical Society of America.
引用
收藏
页码:2913 / 2918
页数:6
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