中国激光, 2017, 44 (11): 1101003, 网络出版: 2017-11-17 复制并引用该论文  本文已被引 1 次  被引通知

图 & 表

图 1. (a)合成后的平均光强信号;(b)合成后的平均光强信号(已减去直流成分Aref2)

Fig. 1. (a) Average light intensity signal after combination; (b) average light intensity signal after combination (without direct current component Aref2)

下载图片 查看原文

图 2. 脉冲激光中心频率实时监测系统实验装置图

Fig. 2. Experimental setup of real-time monitoring system for center frequency of pulse laser

下载图片 查看原文

图 3. 中心频率计算结果的实时显示

Fig. 3. Real-time display of calculation result of center frequency

下载图片 查看原文

图 4. 拍频测试系统性能评估方案

Fig. 4. Test program of performance for beat frequency measurement system

下载图片 查看原文

图 5. 移频、斩波、自拍频过程合成的平均光强信号

Fig. 5. Average light intensity of combined beam generated by frequency shifting, chopping and self-heterodyne

下载图片 查看原文

图 6. 采样率为2 GSa·s-1、采用最大值法时的性能测试结果。(a) 104个拍频信号的中心频率;(b)中心频率的频数分布图

Fig. 6. Results of measurement by maximum method with sampling rate of 2 GSa·s-1. (a) Center frequency of 104 pulses; (b) frequency number distribution of center frequency

下载图片 查看原文

图 7. 连续光拍频测量结果。(a)连续光拍频信号;(b)连续光拍频信号的中心频率

Fig. 7. Measurement results of continuous laser beat frequency. (a) Beat frequency signal of continuous laser; (b) center frequency of beat frequency signal of continuous laser

下载图片 查看原文

图 8. 不同采样率下计算得到的拍频信号的频谱。(a) 2 GSa·s-1采样率;(b) 1 GS·s-1采样率

Fig. 8. Spectra of the beat frequency signal under different sampling rates. (a) Sampling rate is 2 GSa·s-1; (b) sampling rate is 1 GSa·s-1

下载图片 查看原文

陈晓, 谢小兵, 谢伟, 李世光, 马秀华, 朱小磊, 刘继桥, 陈卫标. 单频纳秒脉冲激光中心频率实时监测技术[J]. 中国激光, 2017, 44(11): 1101003. Chen Xiao, Xie Xiaobing, Xie Wei, Li Shiguang, Ma Xiuhua, Zhu Xiaolei, Liu Jiqiao, Chen Weibiao. Real-Time Monitoring Technology for Center Frequency of Single-Frequency Nanosecond Pulse Laser[J]. Chinese Journal of Lasers, 2017, 44(11): 1101003.