Guoqing Zhou, Yizhi Tan, Xiang Zhou, Weihao Li, Xianxing Li, Gangchao Lin, Haocheng Hu, Lieping Zhang, Xueqin Nong, Jiazhi Yang. Testing method and experiment of large dynamic range energy of pulsed laser with wavelength of 1 064 nm and 532 nm[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200417
- Infrared and Laser Engineering
- Vol. 50, Issue S2, 20200417 (2021)
Fig. 1. Design flow chart of laser energy test
Fig. 2. Circuit structure diagram of high-speed photodetection
Fig. 3. Comparison of the synchronization signal and echo signal of laser emission
Fig. 4. Relationship between APD laser responsivity and laser wavelength (M =1)
Fig. 5. Energy meter test results
Fig. 6. Voltage signal received by the APD module
Fig. 7. Relationship between PMT responsivity and laser wavelength
Fig. 8. Energy meter test results
Fig. 9. Voltage signal received by the PMT module
Fig. 10. Overall configuration diagram of the experiment set
Fig. 11. Upper computer control panel of the laser
Fig. 12. Laser test chart based on PMT module
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Table 1. Overall index of laser energy test[10]
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