A fixed frequency aerosol albedometer

Jonathan E. Thompson, Nick Barta, Danielle Policarpio, Rick DuVall

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Abstract

A new method for the measurement of aerosol single scatter albedo (ω) at 532 nm was developed. The method employs cavity ringdown spectroscopy (CRDS) for measurement of aerosol extinction coefficient (bext) and an integrating sphere nephelometer for determination of aerosol scattering coefficient (bseat,). A unique feature of this method is that the extinction and scattering measurements are conducted simultaneously, on the exact same sample volume. Limits of detection (3s) for the extinction and scattering channel were 0.61 Mm-1 and 2.7 Mm-1 respectively.

Original languageEnglish
Pages (from-to)2191-2205
Number of pages15
JournalOptics Express
Volume16
Issue number3
DOIs
StatePublished - Feb 4 2008

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Thompson, J. E., Barta, N., Policarpio, D., & DuVall, R. (2008). A fixed frequency aerosol albedometer. Optics Express, 16(3), 2191-2205. https://doi.org/10.1364/OE.16.002191