Effect of voltage and capacitance in nanosecond pulse discharge enhanced laser-induced breakdown spectroscopy Zhou, Weidong ; Li, Kexue ; Qian, Huiguo ; Ren, Zhijun ; Yu, Youli Abstract Publication: Applied Optics Pub Date: March 2012 DOI: 10.1364/AO.51.000B42 Bibcode: 2012ApOpt..51B..42Z