Spectroscopic probing of aerosol particle interfaces

A novel nonlinear Raman spectroscopic technique, which can be used to monitor the chemical composition of an aerosol particle interface, is described. The technique is called morphology-dependent stimulated Raman scattering (MDSRS). Experimental results show that there is a quantifiable relation bet...

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Bibliographic Details
Published in:The Journal of chemical physics 1993-12, Vol.99 (12), p.9366-9375
Main Authors: Zhang, Jian-Xiang, Aker, Pamela M.
Format: Article
Language:English
Subjects:
400102 - Chemical & Spectral Procedures
400201 - Chemical & Physicochemical Properties
AEROSOLS
AMPLIFICATION
CHEMICAL COMPOSITION
COHERENT SCATTERING
COLLOIDS
DATA
DISPERSIONS
EQUATIONS
EXPERIMENTAL DATA
GAIN
INFORMATION
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
INTERFACES
MONITORING
MORPHOLOGY
NUMERICAL DATA
RAMAN SPECTRA
SCATTERING
SIGNALS
SIZE
SOLS
SPECTRA
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Description
Summary:A novel nonlinear Raman spectroscopic technique, which can be used to monitor the chemical composition of an aerosol particle interface, is described. The technique is called morphology-dependent stimulated Raman scattering (MDSRS). Experimental results show that there is a quantifiable relation between MDSRS signal size and the concentration of species being probed. We outline the analytic form of the nonlinear gain equation and prove its reliability by modeling MDSRS signal strengths.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.465520