Control of filamentation for enhancing remote detection with laser induced breakdown spectroscopy

2006 ◽  
Author(s):  
Matthew Fisher ◽  
Craig Siders ◽  
Eric Johnson ◽  
Oleksiy Andrusyak ◽  
Christopher Brown ◽  
...  
Keyword(s):  
Remote Detection ◽  
Laser Induced Breakdown Spectroscopy ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

In situ classification of rocks using stand-off laser-induced breakdown spectroscopy with a compact spectrometer

2018 ◽  
Vol 33 (3) ◽  
pp. 461-467 ◽  
Author(s):  
W. T. Li ◽  
Y. N. Zhu ◽  
X. Li ◽  
Z. Q. Hao ◽  
L. B. Guo ◽  
...  
Keyword(s):  
High Accuracy ◽  
Remote Detection ◽  
Laser Induced Breakdown Spectroscopy ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

The ASPI-LDA algorithm combined with a compact spectrometer to achieve high accuracy classification, which has a great potential for field in situ remote detection.

The parameter optimization of lasers’ energy ratio of the double-pulse laser induced breakdown spectrometry for heavy metal elements in the soil

2021 ◽  
Author(s):  
Guanyu Chen ◽  
Yunrui Yang ◽  
Ye Zhan ◽  
Xueying Jin ◽  
Guang Yang ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Detection Method ◽  
Remote Detection ◽  
Laser Induced Breakdown Spectroscopy ◽  
Soil P ◽  
Heavy Metal Detection ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown ◽  
Heavy Metal Elements ◽  
Double Pulse Laser

Laser-induced breakdown spectroscopy (LIBS) is a rapid, no-sample preparation, remote detection method that has been applied widely in the area of heavy metal detection in the soil. However, the promotion...

Control of Filamentation for Enhancing Remote Detection with Laser Induced Breakdown Spectroscopy

2006 ◽  
Author(s):  
Matthew Fisher ◽  
Craig Siders ◽  
Eric Johnson ◽  
Oleksiy Andrusyak ◽  
Christopher Brown ◽  
...  
Keyword(s):  
Remote Detection ◽  
Laser Induced Breakdown Spectroscopy ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

Nanosecond laser-induced breakdown assisted by femtosecond laser pre-ionization in air: the effect on spatial resolution and continuous radiation

2020 ◽  
Vol 92 (2) ◽  
pp. 20701
Author(s):  
Bo Li ◽  
Xiaofeng Li ◽  
Zhifeng Zhu ◽  
Qiang Gao
Keyword(s):  
Femtosecond Laser ◽  
Spatial Resolution ◽  
Laser Induced Breakdown Spectroscopy ◽  
Nanosecond Laser ◽  
Breakdown Threshold ◽  
Powerful Technique ◽  
Breakdown Spectroscopy ◽  
Continuous Radiation ◽  
Laser Induced Breakdown

Laser-induced breakdown spectroscopy (LIBS) is a powerful technique for quantitative diagnostics of gases. The spatial resolution of LIBS, however, is limited by the volume of plasma. Here femtosecond-nanosecond dual-pulsed LIBS was demonstrated. Using this method, the breakdown threshold was reduced by 80%, and decay of continuous radiation was shortened. In addition, the volume of the plasma was shrunk by 85% and hence, the spatial resolution of LIBS was significantly improved.

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