Frequency Division Multiplexing and Normalized Harmonic Method for WMS Detection System in Multi-gas Detection
A frequency division multiplexing (FDM) WMS system for multi-gas detection is reported in this paper. The distributed feedback lasers with different wavelengths adopt different modulation frequencies to achieve multi-components gas detection by the FDM technology. Combining optical path extension, n...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2022-11-01
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Series: | Photonics |
Subjects: | |
Online Access: | https://www.mdpi.com/2304-6732/9/11/850 |