Search Results - "Gu, Weilun"

Recent advances in laser-induced breakdown spectroscopy quantification: From fundamental understanding to data processing by Wang, Zhe, Afgan, Muhammad Sher, Gu, Weilun, Song, Yuzhou, Wang, Yun, Hou, Zongyu, Song, Weiran, Li, Zheng

“…Laser-induced breakdown spectroscopy (LIBS) is regarded as the future superstar for chemical analysis, but the relatively high measurement uncertainty and…”
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Investigation of the signal uncertainty in laser-induced breakdown spectroscopy based on error propagation considering self-absorption by Gu, Weilun, Nishi, Naoya, Hou, Zongyu, Wang, Zhe, Sakka, Tetsuo

“…The relatively high signal uncertainty of laser-induced breakdown spectroscopy (LIBS) is a key obstacle to its analytical performance and large-scale…”
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On the Spectral Identification and Wavelength Dependence of Rare-Earth Ore Emission by Laser-Induced Breakdown Spectroscopy by Afgan, Muhammad Sher, Hou, Zongyu, Song, Weiran, Liu, Jiachen, Song, Yuzhou, Gu, Weilun, Wang, Zhe

“…The increasing demand for rare earth elements (REE) requires faster analysis techniques for their rapid exploration. Laser-induced breakdown spectroscopy…”
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Insights into Enhanced Repeatability of Femtosecond Laser-Induced Plasmas by Sheta, Sahar, Afgan, Muhammad Sher, Jiacen, Liu, Gu, Weilun, Hou, Zongyu, Wang, Zhe

“…Repeatability is of utmost importance as it is directly linked to measurement accuracy and precision of a technique and affects its cost, utility, and…”
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Correction of self-absorption effect in calibration-free laser-induced breakdown spectroscopy (CF-LIBS) with blackbody radiation reference by Li, Tianqi, Hou, Zongyu, Fu, Yangting, Yu, Jianlong, Gu, Weilun, Wang, Zhe

“…The self-absorption effect due to optically thick property greatly influences the measured line intensities as well as the performance of quantification for…”
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Industrial at-line analysis of coal properties using laser-induced breakdown spectroscopy combined with machine learning by Song, Weiran, Hou, Zongyu, Gu, Weilun, Wang, Hui, Cui, Jiacheng, Zhou, Zhenhua, Yan, Gangyao, Ye, Qing, Li, Zhigang, Wang, Zhe

“…[Display omitted] •A fully automatic LIBS system was developed for at-line, in-situ industrial coal analysis.•A series of techniques were integrated to improve…”
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Long-term repeatability improvement using beam intensity distribution for laser-induced breakdown spectroscopy by Liu, Jiacen, Song, Weiran, Gu, Weilun, Hou, Zongyu, Kou, Kaikai, Wang, Zhe

“…The relatively low measurement repeatability has long been considered as a major obstacle to the widespread use and commercialization of laser-induced…”
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Minimally destructive laser-induced breakdown spectroscopy of brass assisted by a low-power atmospheric pressure plasma jet by Gu, Weilun, Hou, Zongyu, Xing, Zhi, Sun, Duixiong, Ji, Jianxun, Kou, Kaikai, Song, Yuzhou, Wang, Zhe

“…Minimizing sample damage is crucial in laser-induced breakdown spectroscopy (LIBS) for applications involving valuable samples and elemental mapping. In this…”
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Extended total number density compensation for uranium determination by laser-induced breakdown spectroscopy by Gu, Weilun, Hou, Zongyu, Song, Weiran, Ji, Jianxun, Yu, Xiang, Liu, Jiacen, Song, Yuzhou, Li, Zheng, Wang, Zhe

“…Variations in plasma properties among spectra and samples lead to significant signal uncertainty and matrix effects in laser-induced breakdown spectroscopy…”
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Incorporating domain knowledge into machine learning for laser-induced breakdown spectroscopy quantification by Song, Weiran, Hou, Zongyu, Gu, Weilun, Afgan, Muhammad Sher, Cui, Jiacheng, Wang, Hui, Wang, Yun, Wang, Zhe

“…During the last decade, various machine learning methods have been applied to improve the accuracy of quantitative analysis in laser-induced breakdown…”
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Spectral knowledge-based regression for laser-induced breakdown spectroscopy quantitative analysis by Song, Weiran, Afgan, Muhammad Sher, Yun, Yong-Huan, Wang, Hui, Cui, Jiacheng, Gu, Weilun, Hou, Zongyu, Wang, Zhe

“…•Spectral knowledge-based regression for LIBS data analysis.•Nonlinear modelling with linear and physical interpretability.•State of the art in LIBS…”
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Compensation for the variation of total number density to improve signal repeatability for laser-induced breakdown spectroscopy by Gu, Weilun, Hou, Zongyu, Song, Weiran, Li, Liang, Yu, Xiang, Liu, Jiacen, Song, Yuzhou, Afgan, Muhammad Sher, Li, Zheng, Liu, Zijun, Wang, Zhe

“…High signal uncertainty has been regarded as a critical obstacle for the quantitative analysis of laser-induced breakdown spectroscopy (LIBS). One of the most…”
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Flame-assisted plasma modulation to improve the raw signal quality for laser-induced breakdown spectroscopy by Song, Yuzhou, Song, Weiran, Li, Liang, Gu, Weilun, Kou, Kaikai, Afgan, Muhammad Sher, Hou, Zongyu, Li, Zheng, Wang, Zhe

“…•Flame-assisted plasma modulation method was proposed for signal repeatability improvement based on signal uncertainty generation understanding.•Lower signal…”
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Improved signal stability using an auxiliary flow-based chamber for aerosol laser-induced breakdown spectroscopy by Afgan, Muhammad Sher, Sheta, Sahar, Song, Yuzhou, Gu, Weilun, Wang, Zhe

“…Signal stability is a fundamental requirement for an analytical spectroscopic technique. An auxiliary-flow based chamber is presented for emission signal…”
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A calibration-free model for laser-induced breakdown spectroscopy using non-gated detectors by Hou, Zongyu, Gu, Weilun, Li, Tianqi, Wang, Zhe, Li, Liang, Yu, Xiang, Zhang, Yecai, Liu, Zijun

“…Calibration-free (CF) laser-induced breakdown spectroscopy (LIBS) is normally only applicable for gated detectors due to its dependence on the assumption of a…”
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A data preprocessing method based on matrix matching for coal analysis by laser-induced breakdown spectroscopy by Gu, Weilun, Song, Weiran, Yan, Gangyao, Ye, Qing, Li, Zhigang, Afgan, Muhammad Sher, Liu, Jiacen, Song, Yuzhou, Hou, Zongyu, Wang, Zhe, Li, Zheng

“…Matrix effects limit the quantitative performance of laser-induced breakdown spectroscopy (LIBS) for coal analysis. In this work, we proposed a data…”
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Improvement of sample discrimination using laser-induced breakdown spectroscopy with multiple-setting spectra by Song, Yuzhou, Song, Weiran, Yu, Xiang, Afgan, Muhammad Sher, Liu, Jiacen, Gu, Weilun, Hou, Zongyu, Wang, Zhe, Li, Zheng, Yan, Gangyao, Ye, Qing, Liu, Zijun, Zheng, Hongqi, Fan, Junsheng, Yu, Yuchun, Li, Liang

“…Laser-induced breakdown spectroscopy (LIBS) is a promising multi-elemental analysis technique and has the advantages of rapidness and minimal sample…”
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