Articles | Volume 12, issue 4
https://doi.org/10.5194/amt-12-2371-2019
© Author(s) 2019. 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-12-2371-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Apr 2019
Research article |
| 15 Apr 2019
| 15 Apr 2019
The impact of bath gas composition on the calibration of photoacoustic spectrometers with ozone at discrete visible wavelengths spanning the Chappuis band
Michael I. Cotterell
CORRESPONDING AUTHOR
College for Engineering, Mathematics and Physical Sciences, University
of Exeter, Exeter, EX4 4QF, UK
Observation Based Research, Met Office, Exeter, EX1 3PB, UK
Andrew J. Orr-Ewing
School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
Kate Szpek
Observation Based Research, Met Office, Exeter, EX1 3PB, UK
Jim M. Haywood
College for Engineering, Mathematics and Physical Sciences, University
of Exeter, Exeter, EX4 4QF, UK
Observation Based Research, Met Office, Exeter, EX1 3PB, UK
Justin M. Langridge
Observation Based Research, Met Office, Exeter, EX1 3PB, UK
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Cited
13 citations as recorded by crossref.
- Vertical variability of the properties of highly aged biomass burning aerosol transported over the southeast Atlantic during CLARIFY-2017 H. Wu et al. 10.5194/acp-20-12697-2020
- Physical and chemical properties of black carbon and organic matter from different combustion and photochemical sources using aerodynamic aerosol classification D. Hu et al. 10.5194/acp-21-16161-2021
- Optimizing the performance of aerosol photoacoustic cells using a finite element model. Part 2: Application to a two-resonator cell M. Cotterell et al. 10.1080/02786826.2019.1648749
- Optimizing the performance of aerosol photoacoustic cells using a finite element model. Part 1: Method validation and application to single-resonator multipass cells M. Cotterell et al. 10.1080/02786826.2019.1650161
- Accurate Measurement of the Optical Properties of Single Aerosol Particles Using Cavity Ring-Down Spectroscopy M. Cotterell et al. 10.1021/acs.jpca.2c01246
- Photoacoustic studies of energy transfer from ozone photoproducts to bath gases following Chappuis band photoexcitation M. Cotterell et al. 10.1039/D0CP05056C
- Sensitivity and accuracy of refractive index retrievals from measured extinction and absorption cross sections for mobility-selected internally mixed light absorbing aerosols M. Cotterell et al. 10.1080/02786826.2020.1757034
- Observation of absorbing aerosols above clouds over the south-east Atlantic Ocean from the geostationary satellite SEVIRI – Part 1: Method description and sensitivity F. Peers et al. 10.5194/acp-19-9595-2019
- Observation of absorbing aerosols above clouds over the south-east Atlantic Ocean from the geostationary satellite SEVIRI – Part 2: Comparison with MODIS and aircraft measurements from the CLARIFY-2017 field campaign F. Peers et al. 10.5194/acp-21-3235-2021
- Evaluating biases in filter-based aerosol absorption measurements using photoacoustic spectroscopy N. Davies et al. 10.5194/amt-12-3417-2019
- The CLoud–Aerosol–Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) measurement campaign J. Haywood et al. 10.5194/acp-21-1049-2021
- Refractive Index of Engine‐Emitted Black Carbon and the Influence of Organic Coatings on Optical Properties D. Hu et al. 10.1029/2023JD039178
- Tutorial: A photoacoustic spectrometer to measure aerosol light absorption P. Upadhyay et al. 10.1016/j.jaerosci.2024.106518
13 citations as recorded by crossref.
- Vertical variability of the properties of highly aged biomass burning aerosol transported over the southeast Atlantic during CLARIFY-2017 H. Wu et al. 10.5194/acp-20-12697-2020
- Physical and chemical properties of black carbon and organic matter from different combustion and photochemical sources using aerodynamic aerosol classification D. Hu et al. 10.5194/acp-21-16161-2021
- Optimizing the performance of aerosol photoacoustic cells using a finite element model. Part 2: Application to a two-resonator cell M. Cotterell et al. 10.1080/02786826.2019.1648749
- Optimizing the performance of aerosol photoacoustic cells using a finite element model. Part 1: Method validation and application to single-resonator multipass cells M. Cotterell et al. 10.1080/02786826.2019.1650161
- Accurate Measurement of the Optical Properties of Single Aerosol Particles Using Cavity Ring-Down Spectroscopy M. Cotterell et al. 10.1021/acs.jpca.2c01246
- Photoacoustic studies of energy transfer from ozone photoproducts to bath gases following Chappuis band photoexcitation M. Cotterell et al. 10.1039/D0CP05056C
- Sensitivity and accuracy of refractive index retrievals from measured extinction and absorption cross sections for mobility-selected internally mixed light absorbing aerosols M. Cotterell et al. 10.1080/02786826.2020.1757034
- Observation of absorbing aerosols above clouds over the south-east Atlantic Ocean from the geostationary satellite SEVIRI – Part 1: Method description and sensitivity F. Peers et al. 10.5194/acp-19-9595-2019
- Observation of absorbing aerosols above clouds over the south-east Atlantic Ocean from the geostationary satellite SEVIRI – Part 2: Comparison with MODIS and aircraft measurements from the CLARIFY-2017 field campaign F. Peers et al. 10.5194/acp-21-3235-2021
- Evaluating biases in filter-based aerosol absorption measurements using photoacoustic spectroscopy N. Davies et al. 10.5194/amt-12-3417-2019
- The CLoud–Aerosol–Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) measurement campaign J. Haywood et al. 10.5194/acp-21-1049-2021
- Refractive Index of Engine‐Emitted Black Carbon and the Influence of Organic Coatings on Optical Properties D. Hu et al. 10.1029/2023JD039178
- Tutorial: A photoacoustic spectrometer to measure aerosol light absorption P. Upadhyay et al. 10.1016/j.jaerosci.2024.106518
Latest update: 20 Jan 2025
Short summary
Photoacoustic spectroscopy provides measurements of absorption coefficient for aerosol and gas samples but requires careful calibration, and researchers often use concentrations of ozone. Recent work has shown that the bath gas composition impacts the accuracy of this calibration at visible wavelengths. We explore further the role of bath gas, demonstrating that the calibration accuracy is optimal for a bath gas composed of 20 % oxygen and 80 % nitrogen at wavelengths of 405, 514 and 658 nm.
Photoacoustic spectroscopy provides measurements of absorption coefficient for aerosol and gas...
