中国激光, 2018, 45 (6): 0601005, 网络出版: 2018-07-05
脉冲自发辐射放大光源的产生与放大特性研究 
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Generation and Amplification Characteristics of Pulse Amplified Spontaneous Emission
图 & 表
图 1. 宽谱连续ASE光源。(a)实验结构图;(b) ASE光谱
Fig. 1. Wide band continuous ASE source. (a) Experimental structure; (b) ASE spectrum
图 2. 滤波后的连续ASE光源。(a)实验结构图;(b) ASE光谱
Fig. 2. ASE source after the filter. (a) Experimental structure; (b) ASE spectrum
图 3. (a)光纤环形反射镜式连续ASE光源结构图;(b) ASE光谱
Fig. 3. (a) Experimental structure of continuous ASE source with a fiber loop reflector; (b) ASE spectrum
图 5. 脉冲ASE种子源输出特性。(a)仅AOM工作时输出功率26 μW;(b) EOM工作时输出功率50 μW;(c)重复频率为50 kHz的脉冲序列;(d)不同重复频率对应的光谱
Fig. 5. Output characteristics of pulse ASE seed. (a) 26 μW output power when the AOM works only; (b) 50 μW output power when the EOM also works; (c) pulse sequence of 50 kHz repetition frequency; (d) spectrum corresponding to different repetition frequencies
图 6. 脉冲ASE光源的一级放大结构图
Fig. 6. Experimental structure of the pulse ASE source after the first order amplification
图 7. 一级放大后脉冲ASE 的输出特性。(a)时域特性;(b)输出光谱
Fig. 7. Output characteristics of pulse ASE after the first order amplification. (a) Temporal characteristics; (b) output spectrum
图 8. 脉冲光源经过二级放大的实验结构图
Fig. 8. Experimental structure of the pulse source after the second order amplification
图 9. 输出功率对脉冲光谱和时域特性的影响。(a)输出光谱;(b)时域特性
Fig. 9. Effect of output power on pulse spectrum and temporal characteristics. (a) Output spectrum; (b) temporal characteristics
图 10. 不同设置下脉冲的时域特性。(a)窄带脉冲前移20 ns;(b)对应(a)的脉冲时域;(c)窄带脉冲前移11 ns;(d)对应(c)的脉冲时域;(e)将窄带脉冲后移20 ns;(f)对应(e)的脉冲时域
Fig. 10. Temporal characteristics of the pulse under different circumstances. (a) Narrow band part moves forward 20 ns; (b) temporal characteristics of Fig.(a); (c) narrow band part moves forward 11 ns; (d) temporal characteristics of Fig.(c); (e) narrow band part moves back 20 ns; (f) temporal characteristics of Fig.(e)
孙海跃, 陈胜平, 齐雪, 钟明飞. 脉冲自发辐射放大光源的产生与放大特性研究[J]. 中国激光, 2018, 45(6): 0601005. Haiyue Sun, Shengping Chen, Xue Qi, Mingfei Zhong. Generation and Amplification Characteristics of Pulse Amplified Spontaneous Emission[J]. Chinese Journal of Lasers, 2018, 45(6): 0601005.
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