Articles | Volume 10, issue 3
https://doi.org/10.5194/amt-10-1203-2017
https://doi.org/10.5194/amt-10-1203-2017
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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Cited articles

Abo Riziq, A., Erlick, C., Dinar, E., and Rudich, Y.: Optical properties of absorbing and non-absorbing aerosols retrieved by cavity ring down (CRD) spectroscopy, Atmos. Chem. Phys., 7, 1523–1536, https://doi.org/10.5194/acp-7-1523-2007, 2007.
Adler, G., Abo Riziq, A., Erlick, C., and Rudich, Y.: Effect of intrinsic organic carbon on the optical properties of fresh diesel soot, P. Natl. Acad. Sci. USA, 107, 6699–6704, https://doi.org/10.1073/pnas.0903311106, 2010.
Adler, G., Flores, J. M., Abo Riziq, A., Borrmann, S., and Rudich, Y.: Chemical, physical, and optical evolution of biomass burning aerosols: a case study, Atmos. Chem. Phys., 11, 1491–1503, https://doi.org/10.5194/acp-11-1491-2011, 2011.
Alexander, D. T., Crozier, P. A., and Anderson, J. R.: Brown carbon spheres in east asian outflow and their optical properties, Science, 321, 833–836, https://doi.org/10.1126/science.1155296, 2008.
Andreae, M. O. and Gelencsér, A.: Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols, Atmos. Chem. Phys., 6, 3131–3148, https://doi.org/10.5194/acp-6-3131-2006, 2006.
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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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