High-power laser power measurement based on principle of light pressure

Dongyu YU; Bing YU; Chunli LYU; Zaitian DONG; Ke YANG; Jingzhu GONG; Yuanyuan DUAN; Chao CHEN; Kuijia ZHANG; Gaoping LI; Bo ZHENG

doi:10.5768/JAO202243.0407002

Journal of Applied Optics, Volume. 43, Issue 4, 798(2022)

High-power laser power measurement based on principle of light pressure

Dongyu YU1...1, Bing YU1,1, Chunli LYU1,1, Zaitian DONG1,1, Ke YANG1,1, Jingzhu GONG1,1, Yuanyuan DUAN1,1, Chao CHEN1,1, Kuijia ZHANG1,1, Gaoping LI1,1, and Bo ZHENG11 |Show fewer author(s)

Author Affiliations

¹1Xi'an Institute of Applied Optics, Xi'an 710065, China

¹2Xi'an Institute of Aerospace Propulsion Technology, Xi'an 710065, China

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Figures & Tables(9)

Fig. 1. Schematic diagram of measuring device composition

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Fig. 2. Schematic diagram of reflectance measurement

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Fig. 3. Physical photo of substrate damage experiment

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Fig. 4. Physical photo of membrane damage experiment

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Fig. 5. Experimental site

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Fig. 6. Measurement results diagram of 500 W laser power

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Fig. 7. Measurement results diagram of 1000 W laser power

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Table 1. Measurement results of reflectance
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Table 1. Measurement results of reflectance
测量次数反射率/%
1 99.986
2 99.983
3 99.989
4 99.989
5 99.991
6 99.983
7 99.983
平均 99.986

Table 2. Measurement results of laser power

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Table 2. Measurement results of laser power

500 W激光功率测量结果			1 000 W激光功率测量结果
次数	光压法测量功率/W	量热法测量功率/W	次数	光压法测量功率/W	量热法测量功率/W
1	415.8	409	1	831.6	806
2	436.6	415	2	831.6	783
3	374.2	413	3	831.6	776
4	415.8	417	4	706.8	773
5	478.1	418	5	706.8	773
6	374.2	404	6	790.0	772
相对测量标准差	9.4%	1.3%	相对测量标准差	7.8%	1.7%

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Dongyu YU, Bing YU, Chunli LYU, Zaitian DONG, Ke YANG, Jingzhu GONG, Yuanyuan DUAN, Chao CHEN, Kuijia ZHANG, Gaoping LI, Bo ZHENG. High-power laser power measurement based on principle of light pressure[J]. Journal of Applied Optics, 2022, 43(4): 798

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