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
       

Evolution of signal-to-background with angle of quarter-wave plate for Cu (I) 521.82 nm, with laser energy being 1.9 mJ.