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Conferences > LACSEA > 2010 > LMB > LMB5

Real Time Determination of Water Isotope ratios by Laser Absorption Spectroscopy at 2.73 µm using Kalman Filter

Tao Wu, Weidong Chen, Erik Kerstel, Eric Fertein, Pascal Masselin, Xiaoming Gao, Johannes Koeth, Karl Rößner, and Daniela Bruekner

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Abstract

Kalman filter was applied to measurements of water isotopologue ratios by laser spectroscopy at 2.73 µm. The results obtained in 1-s showed a 1σ precision that required ~30-s averaging when using a simple average approach.

© 2010 Optical Society of America

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