Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 3
Articles | Volume 10, issue 3
https://doi.org/10.5194/amt-10-1203-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-1203-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 3
Research article
 | 
29 Mar 2017
Research article |  | 29 Mar 2017

Calibration of a multi-pass photoacoustic spectrometer cell using light-absorbing aerosols

Nir Bluvshtein, J. Michel Flores, Quanfu He, Enrico Segre, Lior Segev, Nina Hong, Andrea Donohue, James N. Hilfiker, and Yinon Rudich

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Short summary
Accurate PAS measurements rely on accurate calibration of their signal. Ozone is often used for calibrating PAS instruments by relating the photoacoustic signal to the absorption coefficient measured by an independent method. We offer an alternative approach to calibrate photoacoustic aerosol spectrometers with aerosolized, light-absorbing organic materials. To implement this method, we first determined the complex refractive index of an organic dye, using spectroscopic ellipsometry.
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