Structure > Div. 3 Chemical Physics and Explosion Protection > 3.2 Analytics and Thermodynamic State Behaviour of Gases > 3.22 Metrology in Molecular Spectroscopy
Metrology in Molecular Spectroscopy
Working Group 3.22
Fields of Work and Objectives
- Traceable measurement methods and spectral data
- Development of spectroscopic transfer standards for gas analysis
- Spectrometers intended for field applications in environmental sciences and industry
What we can offer you
- Consultancy in molecular spectroscopic measurement tasks
- Research cooperations for new topics in molecular spectroscopy
Where we are doing research
- Within the scope of the European Metrology Research Programme (EMRP)
- Characterisation of Energy Gases (GAS)
- Metrology for Chemical Pollutants in Air (MacPoll)
- Spectral Reference Data for Atmospheric Monitoring (EUMETRISPEC)
- Laser-based hygrometers for the sensing of high-altitude air layers (METEOMET)
- Collaboration in the following projects
- Development of a hygrometer to be used in airplanes for investigation of the atmosphere (HAI, EUFAR)
- In-situ residual gas quantification with tunable diode laser absorption spectroscopy (FVV)
- Improving understanding of ice nucleation and growth inhibition mechanisms via new isotopic tracer studies in the AIDA aerosol chamber (DFG NSF)
- Spectroscopic analysis of high pressure and high temperature processes
Training and Advancement of Young Academics
- Supervision of doctoral theses on current topics of metrology
- Responsible cooperation of doctoral students in current research projects
Selected Publications
- P. Ortwein, S. Wagner, V. Ebert: Absolute diode laser based spectral data for the in situ detection of CO in high pressure combustion and gasification processes. 5th European Combustion Meeting, Scientific Programme, Cardiff, 28 June - 1 July 2011
- J. A. Nwaboh, O. Werhahn, D. Schiel: Measurement of CO amount fractions using a pulsed quantum-cascade laser operated in the intra-pulse mode. Applied Physics B 103 (2011) 947-957
- J. A. Nwaboh,T. Desbois, D. Romanini, D. Schiel, O. Werhahn: Molecular laser spectroscopy as a tool for gas analysis applications. International Journal of Spectroscopy (2011) Article ID 568913, 12 pages
- P. Ortwein, W. Woiwode, S. Fleck, M. Eberhard, T. Kolb, S. Wagner, M. Gisi, V. Ebert: Absolute diode laser-based in situ detection of HCI in gasification processes. Experiments in Fluids 49 (2010) 961-968
- P. Ortwein, W. Woiwode, S. Wagner, M. Gisi, V. Ebert: Laser-based measurements of line strength, self- and pressure-broadening coefficients of the H35CI R(3) absorption line in the first overtone region for pressures up to 1 MPa. Applied Physics B 100 (2010) 341-347
- G. J. Padilla Viquez, J. Koelliker Delgado, O. Werhahn, K. Jousten, D. Schiel: Traceable CO2-R(12) line intensity for laser-spectroscopy-based gas analysis near 2 μ. IEEE Transactions on Instrumentation and Measurement 56, No. 2 (2007) 529-533
- J. Koelliker Delgado, O. Werhahn, D. Schiel: IR-spectrometric amount of CO2 fraction determination in gas analysis applications: traceability of a calibration-free measurement scheme. In: Anwendungen und Trends in der Optischen Analysenmesstechnik - 5. Konferenz über Optische Analysenmesstechnik in Industrie und Umwelt, Mannheim, 26. bis 27. September 2006. VDI-Bericht 1959 S. 303-313, ISBN 3-18-091959-0, Düsseldorf, 2006
- further…
Information
- Cooperation in international Committees
- Rückführbarkeit in der spektrometrischen Gasanalytik, 226. PTB-Seminar, 22. und 23. November 2006
- Technical protocol on the EUROMET Project 934 “Gas metrology by calibration-free infrared laser-spectrometry as a potential primary method (Traceable IR laser-spectrometric amount fraction measurements, TILSAM)”
- BA-TILSAM as result of the iMERA-Plus research project “Breath analysis”
| Head of Working Group | Prof. Dr. Volker Ebert | |
| Address | Physikalisch-Technische Bundesanstalt Arbeitsgruppe 3.22 Bundesallee 100 38116 Braunschweig Germany |
Volker Ebert© Physikalisch-Technische Bundesanstalt, last update: 2012-04-20, Webmaster Abteilung 3
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