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
       

(a) Comparison between spectral intensities of linearly and circularly polarized femtosecond laser-induced Cu plasma with laser energy bing 1.9 mJ. Spectral peak intensities of Cu (I) lines at (b) 510.55 nm and (c) 521.82 nm varying with laser energy.