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Abstract
The referenced article [Opt. Express 25, A896 (2017)] has been retracted.
© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
The article [1] has been retracted as the request of the authors because the experimental data are inaccurate in Figs. 2-4 and the Allan variances of Fig. 6 are incorrect. These inaccuracies were detected when the method described in the paper was applied to conventional instrumentation; therefore the authors now believe the findings in the paper are unreliable.
The original article was published 06 September 2017, and was retracted on 15 May 2019.
References
1. M. S. Niu, P. G. Han, L. K. Song, D. Z. Hao, J. H. Zhang, and L. Ma, “Comparison and application of wavelet transform and Kalman filtering for denoising in δ13CO2 measurement by tunable diode laser absorption spectroscopy at 2.008 µm,” Opt. Express 25(20), A896–A905 (2017). [CrossRef] [PubMed]