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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 8 — Aug. 1, 2014
  • pp: 083001–

Microanalysis of silver jewellery by laser-ablation laser-induced breakdown spectroscopy with enhanced sensitivity and minimal sample ablation

Junyu Mo, Yuqi Chen, Runhua Li, Qi Zhou, and Yang Lou  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 8, pp. 083001- (2014)


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Abstract

Laser-ablation laser-induced breakdown spectroscopy (LA-LIBS) based on single Nd:YAG laser is used to analyze copper impurity in silver jewellery with enhanced sensitivity and minimal sample ablation. 6-30 folds signal enhancement can be achieved under the re-excitation of the breakdown laser and the spatial resolution is only determined by the ablation laser. 50 ppm limit of detection of copper is achieved when the crater diameter is 17.2 μm under current experimental condition. This technique gives higher analysis sensitivity under the same sample ablation in comparison with single pulse (SP) LIBS. It is useful for high sensitive element microanalysis of precious samples.

© 2014 Chinese Optics Letters

OCIS Codes
(300.6190) Spectroscopy : Spectrometers
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

Citation
Junyu Mo, Yuqi Chen, Runhua Li, Qi Zhou, and Yang Lou, "Microanalysis of silver jewellery by laser-ablation laser-induced breakdown spectroscopy with enhanced sensitivity and minimal sample ablation," Chin. Opt. Lett. 12, 083001- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-8-083001

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