Improvement of spectral intensity and resolution with fiber laser for on-stream slurry analysis in laser-induced breakdown spectroscopy

Lian Bo Guo, Xiao Cheng, Yun Tang, Shi Song Tang, Zhong Qi Hao, Xiang You Li, Yongfeng Lu, Xiao Yan Zeng

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

It is still challenging to apply laser-induced breakdown spectroscopy (LIBS) to slurry on-stream analysis due to the moisture in slurry samples causing the low spectral intensity. In this work, a high-frequency pulsed fiber laser was proposed to quickly remove the moisture in slurry samples at the detection point for the first time. The spectral emission intensity and line broadening due Stark effect were investigated for the dual-pulse of fiber laser assisted LIBS (FL-LIBS) mode and signal-pulse LIBS (SP-LIBS) mode. It found that the spectral intensities of Fe and Ca elements were enhanced, while the matrix elements of H and O elements were decreased. Moreover, the currently available spectroscopic diagnostics of plasma, such Boltzmann plot have been used to measure the plasma temperature, while the hydrogen line broadening have been used in the characterization of electron densities. It reveals the type of higher-temperature and lower-density plasma was obtained. The experimental results demonstrated that the fiber laser had the potential to improve LIBS signal intensity and spectral resolution for aqueous matrix samples.

Original languageEnglish (US)
Pages (from-to)38-43
Number of pages6
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume152
DOIs
StatePublished - Feb 1 2019
Externally publishedYes

Fingerprint

Laser induced breakdown spectroscopy
laser-induced breakdown spectroscopy
Fiber lasers
fiber lasers
Laser modes
moisture
Laser pulses
Moisture
Plasmas
Stark effect
spectral emission
Plasma density
Spectral resolution
plasma temperature
matrices
pulses
Pulsed lasers
spectral resolution
plasma density
Carrier concentration

Keywords

  • Fiber laser
  • Laser-induced breakdown spectroscopy
  • On-stream analysis
  • Plasmas
  • Slurry

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Spectroscopy

Cite this

Improvement of spectral intensity and resolution with fiber laser for on-stream slurry analysis in laser-induced breakdown spectroscopy. / Guo, Lian Bo; Cheng, Xiao; Tang, Yun; Tang, Shi Song; Hao, Zhong Qi; Li, Xiang You; Lu, Yongfeng; Zeng, Xiao Yan.

In: Spectrochimica Acta - Part B Atomic Spectroscopy, Vol. 152, 01.02.2019, p. 38-43.

Research output: Contribution to journalArticle

Guo, Lian Bo ; Cheng, Xiao ; Tang, Yun ; Tang, Shi Song ; Hao, Zhong Qi ; Li, Xiang You ; Lu, Yongfeng ; Zeng, Xiao Yan. / Improvement of spectral intensity and resolution with fiber laser for on-stream slurry analysis in laser-induced breakdown spectroscopy. In: Spectrochimica Acta - Part B Atomic Spectroscopy. 2019 ; Vol. 152. pp. 38-43.
@article{1c74d4659ce44fa0a8932b54e50a47fe,
title = "Improvement of spectral intensity and resolution with fiber laser for on-stream slurry analysis in laser-induced breakdown spectroscopy",
abstract = "It is still challenging to apply laser-induced breakdown spectroscopy (LIBS) to slurry on-stream analysis due to the moisture in slurry samples causing the low spectral intensity. In this work, a high-frequency pulsed fiber laser was proposed to quickly remove the moisture in slurry samples at the detection point for the first time. The spectral emission intensity and line broadening due Stark effect were investigated for the dual-pulse of fiber laser assisted LIBS (FL-LIBS) mode and signal-pulse LIBS (SP-LIBS) mode. It found that the spectral intensities of Fe and Ca elements were enhanced, while the matrix elements of H and O elements were decreased. Moreover, the currently available spectroscopic diagnostics of plasma, such Boltzmann plot have been used to measure the plasma temperature, while the hydrogen line broadening have been used in the characterization of electron densities. It reveals the type of higher-temperature and lower-density plasma was obtained. The experimental results demonstrated that the fiber laser had the potential to improve LIBS signal intensity and spectral resolution for aqueous matrix samples.",
keywords = "Fiber laser, Laser-induced breakdown spectroscopy, On-stream analysis, Plasmas, Slurry",
author = "Guo, {Lian Bo} and Xiao Cheng and Yun Tang and Tang, {Shi Song} and Hao, {Zhong Qi} and Li, {Xiang You} and Yongfeng Lu and Zeng, {Xiao Yan}",
year = "2019",
month = "2",
day = "1",
doi = "10.1016/j.sab.2018.12.007",
language = "English (US)",
volume = "152",
pages = "38--43",
journal = "Spectrochimica Acta, Part B: Atomic Spectroscopy",
issn = "0584-8547",
publisher = "Elsevier",

}

TY - JOUR

T1 - Improvement of spectral intensity and resolution with fiber laser for on-stream slurry analysis in laser-induced breakdown spectroscopy

AU - Guo, Lian Bo

AU - Cheng, Xiao

AU - Tang, Yun

AU - Tang, Shi Song

AU - Hao, Zhong Qi

AU - Li, Xiang You

AU - Lu, Yongfeng

AU - Zeng, Xiao Yan

PY - 2019/2/1

Y1 - 2019/2/1

N2 - It is still challenging to apply laser-induced breakdown spectroscopy (LIBS) to slurry on-stream analysis due to the moisture in slurry samples causing the low spectral intensity. In this work, a high-frequency pulsed fiber laser was proposed to quickly remove the moisture in slurry samples at the detection point for the first time. The spectral emission intensity and line broadening due Stark effect were investigated for the dual-pulse of fiber laser assisted LIBS (FL-LIBS) mode and signal-pulse LIBS (SP-LIBS) mode. It found that the spectral intensities of Fe and Ca elements were enhanced, while the matrix elements of H and O elements were decreased. Moreover, the currently available spectroscopic diagnostics of plasma, such Boltzmann plot have been used to measure the plasma temperature, while the hydrogen line broadening have been used in the characterization of electron densities. It reveals the type of higher-temperature and lower-density plasma was obtained. The experimental results demonstrated that the fiber laser had the potential to improve LIBS signal intensity and spectral resolution for aqueous matrix samples.

AB - It is still challenging to apply laser-induced breakdown spectroscopy (LIBS) to slurry on-stream analysis due to the moisture in slurry samples causing the low spectral intensity. In this work, a high-frequency pulsed fiber laser was proposed to quickly remove the moisture in slurry samples at the detection point for the first time. The spectral emission intensity and line broadening due Stark effect were investigated for the dual-pulse of fiber laser assisted LIBS (FL-LIBS) mode and signal-pulse LIBS (SP-LIBS) mode. It found that the spectral intensities of Fe and Ca elements were enhanced, while the matrix elements of H and O elements were decreased. Moreover, the currently available spectroscopic diagnostics of plasma, such Boltzmann plot have been used to measure the plasma temperature, while the hydrogen line broadening have been used in the characterization of electron densities. It reveals the type of higher-temperature and lower-density plasma was obtained. The experimental results demonstrated that the fiber laser had the potential to improve LIBS signal intensity and spectral resolution for aqueous matrix samples.

KW - Fiber laser

KW - Laser-induced breakdown spectroscopy

KW - On-stream analysis

KW - Plasmas

KW - Slurry

UR - http://www.scopus.com/inward/record.url?scp=85058676374&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85058676374&partnerID=8YFLogxK

U2 - 10.1016/j.sab.2018.12.007

DO - 10.1016/j.sab.2018.12.007

M3 - Article

VL - 152

SP - 38

EP - 43

JO - Spectrochimica Acta, Part B: Atomic Spectroscopy

JF - Spectrochimica Acta, Part B: Atomic Spectroscopy

SN - 0584-8547

ER -