Xu Wang, Delong Meng, Xiaokang Li, Lingjuan Zhang, Tianwei Chen. Fiber Bragg Grating Sensing Demodulation Technology Based on Self-Injection Locking[J]. Laser & Optoelectronics Progress, 2019, 56(3): 030606
- Laser & Optoelectronics Progress
- Vol. 56, Issue 3, 030606 (2019)
Fig. 1. Schematic of fiber Bragg grating sensing demodulation system based on self-injection locking
Fig. 2. Laser output spectral lines without injection locking
Fig. 3. Output laser spectral lines observed on spectrometer
Fig. 4. Beat signals observed on spectrum analyzer
Fig. 5. Spectral diagram of the higher beat frequency observed on spectrum analyzer
Fig. 6. Laser output spectral lines under different temperatures
Fig. 7. Relationship between laser energy and beat frequency under different temperatures
Fig. 8. Fitting curve of wavelength under different temperatures
Fig. 9. Fitting curve of beat frequency under different temperatures
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