Yan Wenbing, Yang Yong, Ji Kaijun, Ye Hui, Cheng Xuewu, Yang Guotao, Liu Zhongzheng, Wang Jiqin, Lin Xin, Song Shalei, Zheng Jinzhou, Xiao Yiran, Du Lifang, Li Faquan. Multichannel Single-Pulse Laser Energy Monitoring Methodology[J]. Chinese Journal of Lasers, 2020, 47(12): 1201004
- Chinese Journal of Lasers
- Vol. 47, Issue 12, 1201004 (2020)
Fig. 1. Multichannel single-pulse laser energy change monitoring device
Fig. 2. Laser spot distribution on CMOS surface, in which the round spot is the image of fiber bundle. (a) Spot image of the PCS1-7; (b) spot image of the PCS1-50
Fig. 3. Flow chart of data acquisition and processing program
Fig. 4. Light layout for comparison of measurement results between multichannel single-pulse laser energy change monitoring device and power meter
Fig. 5. Relationship between laser power and gray scale value
Fig. 6. Optical layout of the four channels single-pulse laser energy monitoring
Fig. 7. Monitoring results. (a) Four channels laser energy versus time; (b) efficiency of the secondary harmonic generation, conversion efficiency of pulsed dye laser, and ASE ratio versus time
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Table 1. Parameters of multichannel optical imaging unit
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