Consistency of intensity ratio between spectral lines with similar self-absorption characteristics during ungated laser induced breakdown spectroscopy measurements |
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Authors: | Jung-Hwan IN Youngmin MOON Jang-Hee CHOI Sungho JEONG |
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Abstract: | This work reports that the intensity ratio of spectral lines having similar self-absorption characteristics during laser induced breakdown spectroscopy(LIBS) analysis can become nearly constant over a wide range of irradiation conditions if the intensities are integrated over a sufficiently long time. It is shown that the plasma temperature and intensity ratio of these spectral lines have temporal similarity. The spectral lines with similar self-absorption properties may be selected to improve the accuracy and consistency of LIBS analysis results under an environment with fluctuating measurement conditions. |
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Keywords: | laser induced breakdown spectroscopy intensity ratio self-absorption characteristics CIGS solar cell |
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