Baseline correction algorithm for laser-induced breakdown spectroscopy

Table 1. R_peak of peak intensity before and after baseline correction and R_base between fitting baseline and theoretical baseline
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Table 1. R_peak of peak intensity before and after baseline correction and R_base between fitting baseline and theoretical baseline
Approach R_peak R_base
IAsLS 2 123.367 759.062 9
PLS 583.469 5 427.746 7
asPLS 2 458.333 839.612 4
airPLS 1 576.733 622.949 9
Optimized approach 518.736 3 230.202 6

Table 2. Correlation coefficients and RMSE of calibration curve model
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Table 2. Correlation coefficients and RMSE of calibration curve model
Approach R² RMSE
IAsLS 0.994 7 538.802 7
PLS 0.994 4 518.453 9
asPLS 0.992 0 592.493 4
airPLS 0.994 8 486.624 4
Optimized approach 0.997 2 347.128 6

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Gaowei PAN, Jinfang SHI, Rong QIU, Huili WANG, Qing WAN, Zhiwei ZHANG, Kai WANG. Baseline correction algorithm for laser-induced breakdown spectroscopy[J]. Journal of Applied Optics, 2022, 43(3): 538

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Paper Information

Category: LASER TECHNOLOGY

Received: Nov. 10, 2021

Accepted: --

Published Online: Jun. 7, 2022

The Author Email: SHI Jinfang (603071939@qq.com)

DOI:10.5768/JAO202243.0307002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Rpeak of peak intensity before and after baseline correction and Rbase between fitting baseline and theoretical baseline

Table 1. Rpeak of peak intensity before and after baseline correction and Rbase between fitting baseline and theoretical baseline

Table 2. Correlation coefficients and RMSE of calibration curve model

Table 2. Correlation coefficients and RMSE of calibration curve model

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Table 1. R_peak of peak intensity before and after baseline correction and R_base between fitting baseline and theoretical baseline

Table 1. R_peak of peak intensity before and after baseline correction and R_base between fitting baseline and theoretical baseline