Tao Wu, Tao Pang, Yuquan Tang, Shuang Yang, Bo Shi, Jun Li, Zhirong Zhang. Application of MOPA All-Fiber Pulsed Laser in RDTS System[J]. Chinese Journal of Lasers, 2019, 46(11): 1101009
- Chinese Journal of Lasers
- Vol. 46, Issue 11, 1101009 (2019)
Fig. 1. Schematic of temperature measurement with distributed fiber optic
Fig. 2. Diagram of three pumping modes. (a) Forward pumping; (b) backward pumping; (c) double-way pumping
Fig. 3. Relationship between output power and pumping power in erbium-doped fiber with different doping concentrations
Fig. 4. Variation of gain with fiber length at different pumping powers obtained by simulation
Fig. 5. Diagram of pulsed light amplification with two-stage all-fiber structure
Fig. 6. Time domain waveforms of optical signal. (a) Optical signal from seed source; (b) amplified optical signal
Fig. 7. Relationship between output power and pumping power
Fig. 8. Spectra of signal. (a) Output spectrum of seed source; (b) output spectrum of amplified optical signal
Fig. 9. Results of temperature measurement. (a) 45 ℃; (b) 65 ℃; (c) 85 ℃
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Table 1. Important parameters for simulation
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