中国激光, 2020, 47 (3): 0301004, 网络出版: 2020-03-12
基于阵列透镜和光纤集束的调频脉冲波形测试技术 
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Frequency-Modulated Pulse Waveform Measurement Based on Lens Array and Fiber Bundle
图 & 表
图 1. 调频小带宽脉冲光谱(0.3 nm带宽)
Fig. 1. Spectrum of frequency modulation small- bandwidth pulse (0.3 nm bandwidth)
图 2. 调频脉冲光束近场不同点的时间波形
Fig. 2. Time waveforms of different points in near field of the frequency modulation pulse beam
图 3. 单模光纤耦合时的场分布。(a)衍射光场分布;(b)光纤模场分布
Fig. 3. Field distributions of single-mode fiber coupling. (a) Diffraction field; (b) fiber mode field
图 5. 阵列透镜。(a)阵列透镜实物图;(b)阵列透镜排布及与光束的位置关系
Fig. 5. Lens array. (a) Lens array object; (b) position relation between lens array and measured beam
图 6. 微透镜阵列耦合时的场分布。(a)微透镜取样口径内的衍射光场分布;(b)渐变多模光纤的模场分布
Fig. 6. Field distributions of microlens array coupling. (a) Distribution of diffracted light field in sampling aperture of microlens; (b) mode field distribution of graded multimode fiber
图 8. 调频脉冲波形测量方案验证实验原理图
Fig. 8. Schematic of verification experiment of frequency modulation pulse waveform measurement scheme
表 1阵列透镜耦合效率测试结果
Table1. Coupling efficiency test results of lens array
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张波, 彭志涛, 孙志红, 夏彦文, 卢宗贵, 董军. 基于阵列透镜和光纤集束的调频脉冲波形测试技术[J]. 中国激光, 2020, 47(3): 0301004. Zhang Bo, Peng Zhitao, Sun Zhihong, Xia Yanwen, Lu Zonggui, Dong Jun. Frequency-Modulated Pulse Waveform Measurement Based on Lens Array and Fiber Bundle[J]. Chinese Journal of Lasers, 2020, 47(3): 0301004.
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