title: [Effect of flat-mirror device on laser-induced plasma radiation characteristics].
abstract: To improve the quality of laser-induced breakdown spectroscopy, flat-mirror device was proposed. The effects of flat-mirror device on the radiation characteristics of laser-induced plasma were studied. The experimental results showed that when the device consisted of three flat-mirrors placed around the plasma, the spectral line intensity of Mg, Fe, Ba, Ti and Al increases by about 116.2%, 96.43%, 90.93%, 102.1% and 98.57% than that without flat-mirror device, and the signal-to-noise raises by around 39.17%, 32.48%, 38.07%, 39.95% and 21.30%,respectively. By measuring the plasma parameters, the mechanism of the radiation enhancement obtained with the device consisting of three flat-mirrors was explained. This method was an effective way to improve the detection capacity of LIBS.
authors.affiliation: College of Physics Science and Technology, Hebei University, Baoding 071002, China. chenjinzhongcn@126.com
authors.forename: Jin-Zhong
authors.initials: JZ
authors.lastname: Chen
authors.forename: Jin-Ning
authors.initials: JN
authors.lastname: Bai
authors.forename: Zhen-Yu
authors.initials: ZY
authors.lastname: Chen
authors.forename: Chen
authors.initials: C
authors.lastname: Cheng
authors.forename: Jiang
authors.initials: J
authors.lastname: Sun
authors.forename: Yan-Hong
authors.initials: YH
authors.lastname: Wei