Influence of polarization of laser beam on emission intensity of femtosecond laser-induced breakdown spectroscopy
Yang Lan1, 2, Liu Miao1, Liu Yi-Tong1, Li Qing-Xue1, Li Su-Yu1, Jiang Yuan-Fei1, Chen An-Min1, †, Jin Ming-Xing1
       

Typical Boltzmann plots for selected angles with laser energy being 1.9 mJ. The angles are (a) 0°, (b) 45°, (c) 90°, and (d) 135°.