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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 20, Iss. S6 — Nov. 5, 2012
  • pp: A1011–A1018

Utilization of moderate cylindrical confinement for precision improvement of laser-induced breakdown spectroscopy signal

Zhe Wang, Zongyu Hou, Siu-lung Lui, Dong Jiang, Jianmin Liu, and Zheng Li  »View Author Affiliations


Optics Express, Vol. 20, Issue S6, pp. A1011-A1018 (2012)
http://dx.doi.org/10.1364/OE.20.0A1011


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Abstract

Moderate cylindrical cavity was used to regularize the laser-induced plasma for signal strength enhancement and precision improvement in laser-induced breakdown spectroscopy (LIBS). A polytetrafluoroethylene (PTFE) plate of 1.5 mm thickness with diameter of 3 mm was fabricated. It was placed closely on a sample surface and a laser pulse was shot through the center of the hole to the sample. Using coal as samples, it was verified that the configuration both enhanced the spectral line intensity and reduced shot-to-shot fluctuation, showing its great potential in improving the precision of LIBS analysis.

© 2012 OSA

OCIS Codes
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

History
Original Manuscript: September 10, 2012
Revised Manuscript: October 23, 2012
Manuscript Accepted: October 25, 2012
Published: November 2, 2012

Citation
Zhe Wang, Zongyu Hou, Siu-lung Lui, Dong Jiang, Jianmin Liu, and Zheng Li, "Utilization of moderate cylindrical confinement for precision improvement of laser-induced breakdown spectroscopy signal," Opt. Express 20, A1011-A1018 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-S6-A1011


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