LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Quantitative analysis using remote laser-induced breakdown spectroscopy (LIBS) | C.M. Davies, H.H. Telle, D.J. Montgomery, R.E. Corbett | Steel | Princeton Instruments ICCD Max | IRY 1024 | |
| Laser: | Nd:YAG 1064.0000nm 50.0000mJ 20.000Hz |
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| Gate Delay: | 1.000us | ||||
| Gate Width: | 6.000us | ||||
| In this paper 'remote LIBS' is where the laser is delivered to the sample via optical fibre, with the spectra returned via a separate optical fibre. Gate delay 1-5us, with gate widths lasting the length of the intense plasma emission (6-10us). While Steel is the analysis material, the purpose of this paper was primarily to demonstrate the remote LBIS technique. | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| Cr | 150.0000 (Stated) | 425.4350 | N/A | Univariate Calibration | 550.0000-25700.0000 | Calibration curves constructed using intensity element peak normalised to intensity of a nearby Fe line |
| Mn | 210.0000 (Stated) | 403.0760 | 403.307, 403.449 | Univariate Calibration | 470.0000-18000.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration |
| Cu | 100.0000 (Stated) | 327.3960 | N/A | Univariate Calibration | 130.0000-19400.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration |
| Mo | 200.0000 (Stated) | 553.3050 | N/A | Univariate Calibration | 20.0000-3550.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration |
| Ni | 150.0000 (Stated) | 349.2960 | N/A | Univariate Calibration | 240.0000-207000.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration |
| Si | 380.0000 (Stated) | 288.1580 | 576.195 | Univariate Calibration | 300.0000-30400.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration. Some clever work was required to obtain this result due to interferences. |
| V | 200.0000 (Stated) | 437.9240 | N/A | Univariate Calibration | 170.0000-5200.0000 | Calibration curves plot intensity normalised to nearby Fe peak, to concentration normalised to Fe concentration |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
|---|