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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 34 — Dec. 1, 2007
  • pp: 8298–8304

Quantitative hydrogen analysis of zircaloy-4 in laser-induced breakdown spectroscopy with ambient helium gas

Muliadi Ramli, Ken-ichi Fukumoto, Hideaki Niki, Syahrun Nur Abdulmadjid, Nasrullah Idris, Tadashi Maruyama, Kiichiro Kagawa, May On Tjia, Marincan Pardede, Koo Hendrik Kurniawan, Rinda Hedwig, Zener Sukra Lie, Tjung Jie Lie, and Davy Putra Kurniawan  »View Author Affiliations


Applied Optics, Vol. 46, Issue 34, pp. 8298-8304 (2007)
http://dx.doi.org/10.1364/AO.46.008298


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Abstract

This experiment was carried out to address the need for overcoming the difficulties encountered in hydrogen analysis by means of plasma emission spectroscopy in atmospheric ambient gas. The result of this study on zircaloy-4 samples from a nuclear power plant demonstrates the possibility of attaining a very sharp emission line from impure hydrogen with a very low background and practical elimination of spectral contamination of hydrogen emission arising from surface water and water vapor in atmospheric ambient gas. This was achieved by employing ultrapure ambient helium gas as well as the proper defocusing of the laser irradiation and a large number of repeated precleaning laser shots at the same spot of the sample surface. Further adjustment of the gating time has led to significant reduction of spectral width and improvement of detection sensitivity to 50   ppm . Finally, a linear calibration curve was also obtained for the zircaloy-4 samples with zero intercept. These results demonstrate the feasibility of this technique for practical in situ and quantitative analysis of hydrogen impurity in zircaloy-4 tubes used in a light water nuclear power plant.

© 2007 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.2140) Spectroscopy : Emission
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

History
Original Manuscript: June 19, 2007
Revised Manuscript: October 18, 2007
Manuscript Accepted: October 15, 2007
Published: November 28, 2007

Citation
Muliadi Ramli, Ken-ichi Fukumoto, Hideaki Niki, Syahrun Nur Abdulmadjid, Nasrullah Idris, Tadashi Maruyama, Kiichiro Kagawa, May On Tjia, Marincan Pardede, Koo Hendrik Kurniawan, Rinda Hedwig, Zener Sukra Lie, Tjung Jie Lie, and Davy Putra Kurniawan, "Quantitative hydrogen analysis of zircaloy-4 in laser-induced breakdown spectroscopy with ambient helium gas," Appl. Opt. 46, 8298-8304 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-34-8298

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