Yi-dan LI, Yuan CAO, Xu-dong WANG, Jie-jun ZHANG, Xin-huan FENG, Bai-ou GUAN. Doppler Frequency Shift Measuring Method Based on Dispersion-tuned Actively Mode-locking Technique[J]. Acta Photonica Sinica, 2020, 49(11): 190
- Acta Photonica Sinica
- Vol. 49, Issue 11, 190 (2020)
Fig. 1. Schematic diagram of dispersion-tuned actively mode-locked fiber laser
Fig. 2. Relation between lasing wavelength and measurement frequency
Fig. 3. Measurement range and measurement sensitivity at different cavity length, N =380, D total =-995.6 ps/nm
Fig. 4. Measuerment sensitivity at different mode-locked order, L =300 m, D total
Fig. 5. Measurement sensitivity at different total dispersion with cavity length, L = 10 m, 50 m, 500 m, 1 500 m and 3 000 m, N =260
Fig. 6. Measurement sensitivity at different total dispersion and cavity length with different mode-locked oeder,N 1=10, N 2=80,
Fig. 7. Schematic diagram of frequency measurement setup based on DCF
Fig. 8. Spectra and relation between lasing wavelength and measurement frequency based on DCF
Fig. 9. Schematic diagram of the proposed frequency measurement setup based on LC-FBG
Fig. 10. Spectra and relation between lasing wavelength and measurement frequency based on LC-FBG
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