Qiuyan Song, Genxiang Chen, Kai Tian. Tunable Fiber Lasers Based on Tapered Fiber[J]. Laser & Optoelectronics Progress, 2018, 55(5): 051406
- Laser & Optoelectronics Progress
- Vol. 55, Issue 5, 051406 (2018)
Fig. 1. Light propagation mode in the tapered fiber
Fig. 2. Fiber diameter changes with operating wavelength
Fig. 3. System of KF-FBT
Fig. 4. Optics electronic eyepiece image of tapered fiber
Fig. 5. Waist diameter and length of tapered fiber changes with stretching time
Fig. 6. Waist diameter of tapered fiber changes with stretching length
Fig. 7. Energy distributions in tapered fiber with 2.475 μm tapered waist diameter. (a) Chart of energy distribution; (b) profile of normalized energy
Fig. 8. Normalized output optical power changes with wavelength when the tapered waist diameter is 2.475 μm
Fig. 9. Transmission spectrum of tapered fiber with 2.475 μm tapered waist diameter
Fig. 10. Tunable fiber laser based on tapered fiber
Fig. 11. Gain spectrum of erbium-doped fiber at 47 mW pump power
Fig. 12. Power of tunable laser and dual-wavelength laser when the tapered waist diameter is 2.475 μm
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