Accession Number:

ADA093704

Title:

Raman Capabilities for Aerosol Characterization.

Descriptive Note:

Final rept. 1 Oct 78-30 Sep 80,

Corporate Author:

YALE UNIV NEW HAVEN CONN DEPT OF ENGINEERING AND APPLIED SCIENCE

Personal Author(s):

Report Date:

1980-11-01

Pagination or Media Count:

12.0

Abstract:

Chemical speciation of microparticles can be achieved by spectral and intensity analyses of the inelastically scattered radiation Raman and fluorescence. However, quantitative results by purely optical methods are intimately related to the environment with which the particles are in contact and the morphology of the microstructures. Morphology characterization of regularly shaped microparticles spheres, cylinders, and spheroids can be obtained by measuring the peaks in the extinction and elastically scattering spectra. Our investigation on the viability of quantitative species identification of molecules within a microparticle by inelastic laser scattering involved studies of the following 1 dielectric and metal substrate interface to increase the intensity of the scattered radiation and 2 morphology dependent dielectric resonances which can modify the scattering spectra.

Subject Categories:

  • Atomic and Molecular Physics and Spectroscopy
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE