Articles | Volume 10, issue 11
Atmos. Meas. Tech., 10, 4341–4361, 2017

Special issue: The Saharan Aerosol Long-range Transport and Aerosol-Cloud-interaction...

Atmos. Meas. Tech., 10, 4341–4361, 2017
Research article
14 Nov 2017
Research article | 14 Nov 2017

On the parametrization of optical particle counter response including instrument-induced broadening of size spectra and a self-consistent evaluation of calibration measurements

Adrian Walser et al.

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Cited articles

Altmann, J. and Peters, C.: Proceedings of the 1992 European Aerosol Conference The adjustment of the particle size at a Sinclair-La Mer-Type Aerosol Generator, J. Sci., 23, 277–280,, 1992.
Barnard, J. C. and Harrison, L. C.: Monotonic responses from monochromatic optical particle counters, Appl. Optics, 27, 584–592,, 1988.
Baumgardner, D. and Spowart, M.: Evaluation of the Forward Scattering Spectrometer Probe. Part III: Time Response and Laser Inhomogeneity Limitations, J. Atmos. Ocean. Tech., 7, 666–672,<0666:EOTFSS>2.0.CO;2, 1990.
Baumgardner, D., Strapp, W., and Dye, J. E.: Evaluation of the Forward Scattering Spectrometer Probe. Part II: Corrections for Coincidence and Dead-Time Losses, J. Atmos. Ocean. Tech., 2, 626–632,<0626:EOTFSS>2.0.CO;2, 1985.
Bayes, M. and Price, M.: An Essay towards Solving a Problem in the Doctrine of Chances. By the Late Rev. Mr. Bayes, F. R. S. Communicated by Mr. Price, in a Letter to John Canton, A. M. F. R. S., Royal Society of London, 1763.
Short summary
We present a new approach to model the response of optical particle counters (OPCs) including a simple parametrization for artificial broadening of size spectra induced by the non-ideal behavior of real OPCs. We show a self-consistent way to evaluate calibration measurements and outline how particle number size distributions with realistic uncertainty estimates can be derived. The innovations will improve the accuracy of OPC-derived size distributions and allow to assess their precision.