Fig. 1. Schematic of polarization-resolved laser induced breakdown spectroscopy (PRLIBS) system setup

Fig. 2. Optical path in Glan-Thompson polarizer at normal incidence

Fig. 3. Sellmeier equation curve for e-light refractive index n_e in calcite crystals

Fig. 4. Theoretical relationship curve between e-light transmittance and incident light wavelength at normal incidence

Fig. 5. Theoretical relationship curve between phase difference and wavelength

Fig. 6. Theoretical relationship curve between cos2δ and wavelength

Fig. 7. Surfaces of Cd targets. (a) Original sample; (b) ablative surface

Fig. 8. Spectra of Cd targets plasma at pulsed laser energy of 23.68 mJ

Fig. 9. Plasma spectra of Cd targets for PRLIBS and LIBS at different pulsed laser energies. (a) 42.52 mJ; (b) 70.95 mJ; (c) 98.85 mJ;(d) 129.40 mJ; (e)177.30 mJ; (f) 198.10 mJ

Fig. 10. Intensity variation curves of Cd characteristic spectral lines of LIBS and PRLIBS at different delay time.