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Gas Concentration Measurements Based on Ultrabroadband Coherent Anti-Stokes Raman Scattering using the Non-Resonant Signal

: Ran, Y.; Nolte, S.; Tünnermann, A.; Ackermann, R.


Optical Society of America -OSA-, Washington/D.C.:
CLEO: Science and Innovations 2020 : Part of CLEO 2020, Washington, DC United States, 10-15 May 2020
Washington, D.C.: OSA, 2020
ISBN: 978-1-943580-76-7
Paper SW4H.2
Conference on Lasers and Electro-Optics - Science and Innovations (CLEO SI) <2020, Online>
Conference Paper
Fraunhofer IOF ()
gas concentration measurement; gas fuel measurement; raman scattering; raman spectroscopy

We propose a method using the non-resonant signal measured in pure argon for gas concentration measurements based on ultrabroadband fs/ps coherent anti-Stokes Raman scattering. Measurement accuracies are greatly improved to 5% for CO2/N2/CH4 gas mixtures.