An optical method for determining size distributions of water droplets

被引：17

作者：

Gatherer, RDB ^{[1
]}

Sayer, RM ^{[1
]}

Reid, JP ^{[1
]}

机构：

[1] Univ Birmingham, Sch Chem Sci, Birmingham B15 2TT, W Midlands, England

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 366卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1016/S0009-2614(02)01531-2

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：

A method for determining aerosol size distributions by single laser-shot single droplet cavity enhanced Raman scattering (CERS) is presented. Droplets are illuminated with the tripled output from a Nd:YAG laser at 355 nm and the CERS fingerprint acquired with a spectrograph and CCD. Droplets with radii in the range 10-50 mum are probed. The extension of this to the determination of a distribution of droplet sizes is illustrated. We suggest that the CERS signature from water could be used to determine droplet size while the observation of Raman scattering from other constituents could be used to identify trace chemical constituents within water droplets. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：34 / 41

页数：8

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