Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Single-Particle Light–Scattering Measurement: Photochemical Aerosols and Atmospheric Particulates

Not Accessible

Your library or personal account may give you access

Abstract

The use of single-particle light-scattering measurements to determine the origin of atmospheric hazes has been explored by measurement of laboratory aerosols, field samples, and computer analysis of the light-scattering data. The refractive index of measured spherical particles 800 nm to 1000 nm in diameter was determined within 2%. For particles of diameter less than 500 nm the measurement of absolute scattering intensity is required for complete analysis. Distinctive nonspherical and absorbing particles were observed both in automotive exhaust and atmospheric samples. Electrostatic suspension of atmospheric particulates is demonstrated to provide a practical approach to optical measurement of single particles. The technique may be used to calibrate optical particle counters or identify particles with unique shape or refractive index.

© 1972 Optical Society of America

Full Article  |  PDF Article
More Like This
Laboratory Measurements of Light Scattering by Simulated Atmospheric Aerosols

R. G. Quiney and A. I. Carswell
Appl. Opt. 11(7) 1611-1618 (1972)

Measured Light-Scattering Properties of Individual Aerosol Particles Compared to Mie Scattering Theory

R. G. Pinnick, J. M. Rosen, and D. J. Hofmann
Appl. Opt. 12(1) 37-41 (1973)

Measurement of the Aerosol Total Scatter–Backscatter Ratio

A. P. Waggoner, N. C. Ahliquist, and R. J. Charlson
Appl. Opt. 11(12) 2886-2889 (1972)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved