Articles | Volume 12, issue 7
https://doi.org/10.5194/amt-12-3541-2019
https://doi.org/10.5194/amt-12-3541-2019
Research article
 | 
03 Jul 2019
Research article |  | 03 Jul 2019

Method to measure the size-resolved real part of aerosol refractive index using differential mobility analyzer in tandem with single-particle soot photometer

Gang Zhao, Weilun Zhao, and Chunsheng Zhao

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Latest update: 18 Jun 2024
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Short summary
A new method is proposed to retrieve the size-resolved real part of the refractive index (RRI). The main principle of deriving the RRI is measuring the scattering intensity by a single-particle soot photometer of a size-selected aerosol. This method is validated by a series of calibration experiments using the components of the known RI. The retrieved size-resolved RRI covers a wide range, from 200 nm to 450 nm, with uncertainty of less than 0.02.