Qian Li, Min Wan, Yanhua Lu, Xiafei Xu, Huaijin Ren, Hao Tan. 1.3 W Single-Frequency Tapered Semiconductor Laser Amplification System with Wide Tuning Range[J]. Laser & Optoelectronics Progress, 2018, 55(12): 121401
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 121401 (2018)
Fig. 1. Schematic of experimental setup
Fig. 2. Spectra of the seeding light at 920 nm (a) before and (b) after amplification
Fig. 3. Relationship between linewidth of amplified laser and TA injection current
Fig. 4. Variation in fluorescent power and output power of TA with the injection current
Fig. 5. Output laser spectra with or without seed injection
Fig. 6. Relationship between the output power of TA and the seeding power
Fig. 7. Relationship between the output power of TA and injection current at different wavelengths
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Table 1. Spot radius and theoretical coupling efficiency after focusing with different focal-length lenses
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