Yafan LI, Kun LIU, Tiegen LIU, Junfeng JIANG, Jifang SHAN. Intracavity Gas Sensing System Based on Thulium Fiber Laser[J]. Acta Photonica Sinica, 2021, 50(9): 0930003
- Acta Photonica Sinica
- Vol. 50, Issue 9, 0930003 (2021)
Fig. 1. Schematic diagram of thulium-doped fiber laser intracavity gas sensing system
Fig. 2. Physical map of thulium-doped fiber laser intracavity gas sensing system
Fig. 3. Simulate and experimental ASE spectra of the TDF
Fig. 4. Output spectrum of thulium-doped fiber lasers at different pump powers
Fig. 5. Detailed spectrum of output laser from thulium-doped fiber lasers at different pump powers
Fig. 6. The output spectrum of thulium-doped fiber laser at 1 000 mW pump power with filter
Fig. 7. Output spectra measured by OSA over 60 min with 10 min interval near 1 945 nm
Fig. 8. Tunable range of thulium-doped fiber laser intracavity gas sensing system at 1 000 mW pump power
Fig. 9. Experimental， Lorentz fitting and simulate absorption spectrum of H2O in the wavelength range of 1 928~1 938 nm
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