激光与光电子学进展, 2018, 55 (12): 121401, 网络出版: 2019-08-01 复制并引用该论文  被引通知

图 & 表

图 1. 实验装置示意图

Fig. 1. Schematic of experimental setup

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图 2. 920 nm种子光(a)放大前和(b)放大后的激光光谱

Fig. 2. Spectra of the seeding light at 920 nm (a) before and (b) after amplification

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图 3. 放大激光的线宽随TA注入电流的变化

Fig. 3. Relationship between linewidth of amplified laser and TA injection current

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图 4. TA荧光功率和激光放大功率随注入电流的变化

Fig. 4. Variation in fluorescent power and output power of TA with the injection current

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图 5. 有无种子光注入的输出激光光谱

Fig. 5. Output laser spectra with or without seed injection

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图 6. 输出激光功率和种子光功率的关系

Fig. 6. Relationship between the output power of TA and the seeding power

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图 7. 不同波长时输出功率随放大器注入电流的变化

Fig. 7. Relationship between the output power of TA and injection current at different wavelengths

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表 1不同焦距透镜聚焦后的光斑半径和理论耦合效率

Table1. Spot radius and theoretical coupling efficiency after focusing with different focal-length lenses

Focal length of lens /mm 3.10 4.51 5.50 Spot radius /μm Fast axis 0.812 1.174 1.428 Slow axis 0.699 1.029 1.220 Coupling efficiency /% 95.89 80.35 70.52

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李钱, 万敏, 鲁燕华, 许夏飞, 任怀瑾, 谭昊. 1.3 W单频、宽调谐锥形半导体激光放大系统[J]. 激光与光电子学进展, 2018, 55(12): 121401. 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.