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
       

Evolutions of Cu (I) line at 521.82 nm with the rotated angle of quarter-wave plate for different laser energy values. The laser energies are 0.5 mJ (a), 1.0 mJ (b), 1.5 mJ (c), and 1.9 mJ (d).