LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Parametric study of a fiber-optic laser-induced breakdown spectroscopy probe for analysis of aluminum alloys | Awadhesh K. Rai, Hansheng Zhang, Fang Y. Yueh, Jagdish P. Singh, Arel Weisburg | Aluminium Alloy | Princeton Instruments ICCD Max | Jobin Yvon HR460 | |
| Laser: | Nd:YAG 532.0000nm 20.0000mJ 10.000Hz |
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| Gate Delay: | 2.000us | ||||
| Gate Width: | 2.000us | ||||
| A key outcome of this paper is the demonstration of the delivery of the laser pulse and the collected spectra by the same 3m length of optical fibre. The fibre has a 1.0mm core and pulses up to 20mJ were delivered using this method with about 88% end to end efficiency. | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| Mg | 7.0000 (Calibration Curve Slope) | 383.8290 | N/A | Univariate | 900.0000-24800.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Mg | 7.0000 (Calibration Curve Slope) | 383.8290 | N/A | Univariate | 900.0000-24800.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Cr | 3.0000 (Calibration Curve Slope) | 359.3490 | N/A | Univariate | 11.0000-2000.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Mn | 90.0000 (Calibration Curve Slope) | 404.1360 | N/A | Univariate | 100.0000-4800.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Mn | 10.0000 (Calibration Curve Slope) | 404.1360 | N/A | Univariate | 100.0000-4800.0000 | |
| Zn | 38.0000 (Calibration Curve Slope) | 330.2590 | N/A | Univariate | 11.0000-2000.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Zn | 0.2900 (Calibration Curve Slope) | 330.2590 | N/A | Univariate | 11.0000-2000.0000 | |
| Fe | 30.0000 (Calibration Curve Slope) | 344.0606 | N/A | Univariate | 800.0000-4800.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Fe | 15.0000 (Calibration Curve Slope) | 344.0606 | N/A | Univariate | 800.0000-4800.0000 | |
| Cu | 56.0000 (Calibration Curve Slope) | 324.7000 | N/A | Univariate | 3100.0000-53800.0000 | Fibre optic used to deliver laser to sample and collect spectra |
| Cu | 160.0000 (Calibration Curve Slope) | 324.7000 | N/A | Univariate | 3100.0000-53800.0000 | Surprisingly worse that when the Fibre Optic is used due to self-absorption. |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
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