Articles | Volume 14, issue 2
https://doi.org/10.5194/amt-14-1239-2021
© Author(s) 2021. 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-14-1239-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Feb 2021
Research article |
| 17 Feb 2021
| 17 Feb 2021
Characterization and potential for reducing optical resonances in Fourier transform infrared spectrometers of the Network for the Detection of Atmospheric Composition Change (NDACC)
Thomas Blumenstock
CORRESPONDING AUTHOR
Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-ASF), Karlsruhe, Germany
Frank Hase
Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-ASF), Karlsruhe, Germany
Axel Keens
Bruker Optics GmbH, Ettlingen, Germany
Denis Czurlok
Bruker Optics GmbH, Ettlingen, Germany
Orfeo Colebatch
Department of Physics, University of Toronto, Toronto, Canada
Omaira Garcia
Izaña Atmospheric Research Centre (IARC), Meteorological State
Agency of Spain (AEMET), Tenerife, Spain
David W. T. Griffith
Centre for Atmospheric Chemistry, University of Wollongong,
Wollongong, Australia
Michel Grutter
Centro de Ciencias de la Atmósfera, Universidad Nacional
Autónoma de México (UNAM), Mexico City, Mexico
James W. Hannigan
National Center for Atmospheric Research (NCAR), Boulder, CO, USA
Pauli Heikkinen
Finnish Meteorological Institute (FMI), Sodankylä, Finland
Pascal Jeseck
Laboratoire d'Etudes du Rayonnement et de la Matière en
Astrophysique et Atmosphères (LERMA-IPSL), Sorbonne Université,
CNRS, Observatoire de Paris, PSL Université, Paris, France
Nicholas Jones
Centre for Atmospheric Chemistry, University of Wollongong,
Wollongong, Australia
Rigel Kivi
Finnish Meteorological Institute (FMI), Sodankylä, Finland
Erik Lutsch
Department of Physics, University of Toronto, Toronto, Canada
Maria Makarova
Saint Petersburg State University, Atmospheric Physics Department,
St. Petersburg, Russia
Hamud K. Imhasin
Saint Petersburg State University, Atmospheric Physics Department,
St. Petersburg, Russia
Johan Mellqvist
Department of Earth and Space Science, Chalmers University of
Technology, Gothenburg, Sweden
Isamu Morino
National Institute for Environmental Studies (NIES), Tsukuba, Ibaraki, Japan
Tomoo Nagahama
Institute for Space-Earth Environmental Research (ISEE), Nagoya
University, Nagoya, Japan
Justus Notholt
Institute of Environmental Physics, University of Bremen, Bremen,
Germany
Ivan Ortega
National Center for Atmospheric Research (NCAR), Boulder, CO, USA
Mathias Palm
Institute of Environmental Physics, University of Bremen, Bremen,
Germany
Uwe Raffalski
Swedish Institute of Space Physics (IRF), Kiruna, Sweden
Markus Rettinger
Karlsruhe Institute of Technology, IMK-IFU, Garmisch-Partenkirchen, Germany
John Robinson
National Institute of Water and Atmospheric Research Ltd (NIWA),
Lauder, New Zealand
Matthias Schneider
Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-ASF), Karlsruhe, Germany
Christian Servais
Institut d'Astrophysique et de Géophysique, Université de
Liège, Liège, Belgium
Dan Smale
National Institute of Water and Atmospheric Research Ltd (NIWA),
Lauder, New Zealand
Wolfgang Stremme
Centro de Ciencias de la Atmósfera, Universidad Nacional
Autónoma de México (UNAM), Mexico City, Mexico
Kimberly Strong
Department of Physics, University of Toronto, Toronto, Canada
Ralf Sussmann
Karlsruhe Institute of Technology, IMK-IFU, Garmisch-Partenkirchen, Germany
Laboratoire d'Etudes du Rayonnement et de la Matière en
Astrophysique et Atmosphères (LERMA-IPSL), Sorbonne Université,
CNRS, Observatoire de Paris, PSL Université, Paris, France
Voltaire A. Velazco
Centre for Atmospheric Chemistry, University of Wollongong,
Wollongong, Australia
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Latest update: 06 Nov 2025
Short summary
This study investigates the level of channeling (optical resonances) of each FTIR spectrometer within the Network for the Detection of Atmospheric Composition Change (NDACC). Since the air gap of the beam splitter is a significant source of channeling, we propose new beam splitters with an increased wedge of the air gap. This study shows the potential for reducing channeling in the FTIR spectrometers operated by the NDACC, thereby increasing the quality of recorded spectra across the network.
This study investigates the level of channeling (optical resonances) of each FTIR spectrometer...
