LIBS Info: Element Analysis

Title Authors Material Detector Spectrometer Software
Hydrogen Leak Detection Using Laser-Induced BreakdownSpectroscopy D.W. Hahn, V. Hohreiter, A.J. Ball Gases ICCD Czerny-Turner (Unspecified)
Laser: Nd:YAG
Gate Delay: 4.000us
Gate Width: 2.000us
The authors explore 2 different methods for the detection of low concentrations of H gas - a LIBS spark formed on a stainless steel surface in the test atmosphere and a LIBS spark formed directly in the test gas atmosphere
Element Detection Limit (ppm) Wavelength (nm) Other Wavelengths (nm) Calibration Method Calibration Range (ppm) Notes
H 23.0000 (Calibration Curve Slope) 656.0000 N/A Univariate 65.0000-820.0000 100mJ Pulse used to analyse test gas directly
H 15.0000 (Calibration Curve Slope) 656.0000 N/A Univariate 65.0000-820.0000 50mJ pulse on a stainless steel substrate in the test atmosphere

Element RMSE (ppm) Wavelength (nm) Calibration Method Notes