Articles | Volume 13, issue 12
https://doi.org/10.5194/amt-13-7097-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-7097-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Dec 2020
Research article |
| 23 Dec 2020
| 23 Dec 2020
A single-beam photothermal interferometer for in situ measurements of aerosol light absorption
University of Applied Sciences Northwestern Switzerland, Institute for Sensors and Electronics, Windisch, Switzerland
Jannis Röhrbein
University of Applied Sciences Northwestern Switzerland, Institute for Sensors and Electronics, Windisch, Switzerland
Peter Steigmeier
University of Applied Sciences Northwestern Switzerland, Institute for Sensors and Electronics, Windisch, Switzerland
Luka Drinovec
Jožef Stefan Institute, Department of Condensed Matter Physics, Ljubljana, Slovenia
Haze Instruments d.o.o., Ljubljana, Slovenia
Griša Močnik
Jožef Stefan Institute, Department of Condensed Matter Physics, Ljubljana, Slovenia
Haze Instruments d.o.o., Ljubljana, Slovenia
Center for Atmospheric Research, University of Nova Gorica, Ajdovščina, Slovenia
Ernest Weingartner
CORRESPONDING AUTHOR
University of Applied Sciences Northwestern Switzerland, Institute for Sensors and Electronics, Windisch, Switzerland
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Cited
10 citations as recorded by crossref.
- Waveguide based passively demodulated photothermal interferometer for light absorption measurements of trace substances B. Visser et al. 10.1364/AO.476868
- A dual-wavelength photothermal aerosol absorption monitor: design, calibration and performance L. Drinovec et al. 10.5194/amt-15-3805-2022
- The four-wavelength Photoacoustic Aerosol Absorption Spectrometer (PAAS-4λ) F. Schnaiter et al. 10.5194/amt-16-2753-2023
- Validation of cantilever-enhanced photoacoustic particle-size-resolved light absorption measurement using nigrosin reference particles and Mie modelling J. Kuula et al. 10.5194/ar-3-1-2025
- Aerosol absorption using in situ filter-based photometers and ground-based sun photometry in the Po Valley urban atmosphere A. Bigi et al. 10.5194/acp-23-14841-2023
- Direct influence of aerosol particles on cavity enhanced spectroscopy: Modeling and first experimental results F. Stollberger et al. 10.1080/02786826.2023.2292810
- Measurement report: Source attribution and estimation of black carbon levels in an urban hotspot of the central Po Valley – an integrated approach combining high-resolution dispersion modelling and micro-aethalometers G. Veratti et al. 10.5194/acp-24-10475-2024
- Laser-induced nonlinearities in a polymer solution Q. Hassan et al. 10.1016/j.ijleo.2022.170111
- Determination of the multiple-scattering correction factor and its cross-sensitivity to scattering and wavelength dependence for different AE33 Aethalometer filter tapes: a multi-instrumental approach J. Yus-Díez et al. 10.5194/amt-14-6335-2021
- Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter D. Kalbermatter et al. 10.5194/amt-15-561-2022
10 citations as recorded by crossref.
- Waveguide based passively demodulated photothermal interferometer for light absorption measurements of trace substances B. Visser et al. 10.1364/AO.476868
- A dual-wavelength photothermal aerosol absorption monitor: design, calibration and performance L. Drinovec et al. 10.5194/amt-15-3805-2022
- The four-wavelength Photoacoustic Aerosol Absorption Spectrometer (PAAS-4λ) F. Schnaiter et al. 10.5194/amt-16-2753-2023
- Validation of cantilever-enhanced photoacoustic particle-size-resolved light absorption measurement using nigrosin reference particles and Mie modelling J. Kuula et al. 10.5194/ar-3-1-2025
- Aerosol absorption using in situ filter-based photometers and ground-based sun photometry in the Po Valley urban atmosphere A. Bigi et al. 10.5194/acp-23-14841-2023
- Direct influence of aerosol particles on cavity enhanced spectroscopy: Modeling and first experimental results F. Stollberger et al. 10.1080/02786826.2023.2292810
- Measurement report: Source attribution and estimation of black carbon levels in an urban hotspot of the central Po Valley – an integrated approach combining high-resolution dispersion modelling and micro-aethalometers G. Veratti et al. 10.5194/acp-24-10475-2024
- Laser-induced nonlinearities in a polymer solution Q. Hassan et al. 10.1016/j.ijleo.2022.170111
- Determination of the multiple-scattering correction factor and its cross-sensitivity to scattering and wavelength dependence for different AE33 Aethalometer filter tapes: a multi-instrumental approach J. Yus-Díez et al. 10.5194/amt-14-6335-2021
- Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter D. Kalbermatter et al. 10.5194/amt-15-561-2022
Latest update: 06 Mar 2025
Short summary
Here we report on the development of a novel single-beam photothermal interferometer and its use in the measurement of aerosol light absorption. We demonstrate how light-absorbing gases can be used to calibrate the instrument and how this absorption is automatically subtracted during normal operation. The performance of the instrument is compared to a standard filter-based instrument using a black carbon test aerosol. The 60 s detection limit is found to be less than 10 Mm-1.
Here we report on the development of a novel single-beam photothermal interferometer and its use...
