Influence of polarization of laser beam on emission intensity of femtosecond laser-induced breakdown spectroscopy

Yang Lan^{1, 2}, Liu Miao¹, Liu Yi-Tong¹, Li Qing-Xue¹, Li Su-Yu¹, Jiang Yuan-Fei¹, Chen An-Min^{1, †}, 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.