An accurate algorithm for calibration-free wavelength modulation spectroscopy based on even-order harmonics
Instrumentation and Detectors
2021-11-25 v1
Abstract
This paper proposes an accurate algorithm to implement calibration-free wavelength modulation spectroscopy based on even-order harmonics. The proposed algorithm, analytically deduced from a much more accurate Voigt function model, enabling not only speedy measurement down to milliseconds, but also a general suitability for various degrees of line-shape broadening. The proposed method is validated by condition-controlled experiment, indicating calculation of gas temperature with the relative error less than 2.4% in the experiments.
Cite
@article{arxiv.2111.12567,
title = {An accurate algorithm for calibration-free wavelength modulation spectroscopy based on even-order harmonics},
author = {Yihong Wang and Bin Zhou and Bubin Wang and Rong Zhao},
journal= {arXiv preprint arXiv:2111.12567},
year = {2021}
}
Comments
6 pages, 4 figures