Fig. 1. Schematic diagram of optical path of remote LIBS system

Fig. 2. Sample of sintered mix after LIBS test

Fig. 3. Typical spectrogram of sintered mix

Fig. 4. Result graph of sintered mix adopting 1.28 µs delay quantitative analysis

Fig. 5. Result graph of sintered mix adopting 5 µs delay quantitative analysis

Fig. 6. RSD comparison of Fe， Ca， Si， and Mg elementals using 1.28 µs and 5 µs delayed signals

Fig. 7. Comparison of SNR for Fe， Ca， Mg， and Si elements with delays of 1.28 µs and 5 µs

Fig. 8. Comparison of electron temperature and FWHM with delays of 1.28 µs and 5 µs

Fig. 9. Energy of energy levels involved in jumps of elementals Fe， Ca， Si， and Mg