Evaluation of 30kW Laser Power Measurement Uncertainty by Least Square Linear Fitting Method

Wang Cheng,Yunfeng Ma,Aiping Wu,Nan Jiang,Lifeng Liao,Peng Zhao,Zhongwei Fan

Evaluation of 30kW Laser Power Measurement Uncertainty by Least Square Linear Fitting Method

2019

Wang Cheng
Yunfeng Ma
Aiping Wu
Nan Jiang
Lifeng Liao
Peng Zhao
Zhongwei Fan

We present a high-precision method to accurately estimate the uncertainty for 30kW laser power measurement. The result of total output power is at 30.99kW, and relative expanded uncertainty is 8% (k=2).

Keywords:

Laser power scaling
Optics
Mathematics
Least squares
Measurement uncertainty
Physics
high power lasers
laser beams
linear fitting

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