Ze-Ke Zheng

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Based on laser induced breakdown spectroscopy data analysis, a quantitative determination method of elements was introduced. This method takes the advantage of Fourier analysis to study different part of the spectrum-white noise, thermal radiation and emission spectral lines. Through band-pass filter, emission spectral lines and most noise were separated,(More)
In the present work, spatial character of emission spectrum was analyzed, the effect of laser energy and samples at tribute on the best detection position for the highest signal-to-noise ratio was studied, and some experimental investigations with LIBS technique to detect trace Cu in polluted soil were carried out in our laboratory. A Q-switched Nd : YAG(More)
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