Jing-jing WANG, Tu TAN, Gui-shi WANG, Gong-dong ZHU, Zheng-yue XUE, Jun LI, Xiao-hai LIU, Xiao-ming GAO. Research on All-Fiber Dual-Channel Atmospheric Greenhouse Gases Laser Heterodyne Detection Technology[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 354
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 2, 354 (2021)
Fig. 1. Schematic diagram of dual-channel near-infrared LHR
Fig. 2. (a) Sun tracker; (b) Fiber optic switch; (c) Optical switch output signal
Fig. 3. (a) RF signal power spectrum; (b) Instrument functions
Fig. 4. (a) Heterodyne signal absorbed by CH4; (b) Heterodyne signal absorbed by CO2; (c) Relation curve between laser wavenumber and injection current for CH4 measurement; (d) Relation curve between laser wavenumber and injection current for CO2 measurement
Fig. 5. (a) Transmission of CH4 in the atmosphere; (b) Transmission of CO2 in the atmosphere
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20