Size Spectrometry of Aerosols Using Light Scattering from the Cavity of a Gas Laser
- 1 September 1973
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 44 (9) , 1193-1196
- https://doi.org/10.1063/1.1686352
Abstract
A gas laser cavity beam is used as monochromatic radiation source for detecting and sizing aerosol particles. The aerosol is forced through the cavity of a (1/2) mW open cavity He–Ne laser having one plane mirror and one spherical mirror. Light scattered from individual particles is collected by a hemispherical mirror and is focused onto a detector. The system has good resolution and sensitivity and has the capability of measuring high aerosol concentrations without dilution.Keywords
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