[1] NICOLAS G, MATEO M P, PION V, et al. 3D chemical maps of non-flat surfaces by laser-induced breakdown spectroscopy［J］. Journal of Analytical Atomic Spectrometry, 2007,22: 1244-1249.
[2] SUYANTO H, RUPIASIH N N, WINARDI T B, et al. Qualitative analysis of Pb liquid sample using laser-induced breakdown spectroscopy (LIBS)［C］. Conference Proceedings, 2013, 1555(1): 14-16.
[3] HOHREITER V, HAHN D W. Calibration effects for laser-induced breakdown spectroscopy of gaseous sample streams: analyte response of gas-phase species versus solid-phase species［J］. Analytical chemistry, 2005, 77(4): 1118-1124.
[4] TOGNONI E, PALLESCHI V, CORSI M, et al. Quantitative micro-analysis by laser-induced breakdown spectroscopy: a review of the experimental approaches［J］.Spectrochimica Acta Part B: Atomic Spectroscopy, 2002, 57(7): 1115-1130.
[5] DU Chuang, GAO Xun, SHAO Yan, et al. Analyses of heavy metals by soil using dual-pulsedlaser induced breakdown spectroscopy［J］. Acta Physica Sinica, 2013, 62(04): 357-362.
[6] BIERSTEDT A, PANNE U, RIEDEL J. Confinement and enhancement of an airborne atmospheric laser-induced plasma by an ultrasonic acoustic resonator［J］. Journal of Analytical Atomic Spectrometry, 2018, 31(1): 135-140.
[7] ZHOU W D, LI K X, SHEN Q M, et al. Optical emission enhancement using laser ablation combined with fast pulse discharge［J］. Optics Express, 2010,18(3): 2573-2578.
[8] REZAEI F, TAVASSOLI S H. Quantitative analysis of aluminum samples in He ambient gas at different pressures in a thick LIBS plasma［J］. Applied Physics B, 2015, 120(3), 563-571.
[9] GAO X, LIU L, SONG C, et al. The role of spatial confinement on nanosecond YAG laser-induced Cu plasma［J］.Journal of Physics D: Applied Physics, 2015, 48(17): 175205.
[10] HAO Z Q, GUO L B, LI C M, et al. Sensitivity improvement in the detection of V and Mn elements in steel using laser-induced breakdown spectroscopy with ring-magnet confinement［J］. Journal of Analytical Atomic Spectrometry, 2014, 29(12): 2309-2314.
[11] SHEN X K, LU Y F, GEBRE T, et al. Optical emission in magnetically confined laser-induced breakdown spectroscopy［J］.Journal of Applied Physics, 2006, 100(5): 3662.
[12] LI C, GAO X, LI Q, et al. Spectral enhancement of laser-induced breakdown spectroscopy in external magnetic field［J］. Plasma Science and Technology, 2015, 17(11): 919-922.
[13] HARILAL S S, TILLACK M S, O’SHAY B, et al. Confinement and dynamics of laser-produced plasma expanding across a transverse magnetic field［J］. Physical Review E, 2004, 69(2): 026413.
[14] MYRIAM B, HAO Z Q, MATTHIEU B, et al. Femtosecond laser-induced breakdown spectroscopy for detection of trace elements in sophora leaves［J］. Chinese Physics Letters, 2007, 24(12): 3466.
[15] GAO Xun, DU Chuang, LI Cheng, et al. Detection of heavy metal Cr in soil by the femtosecond filament induced breakdown spectroscopy［J］. Acta Physica Sinica, 2014,63(09): 265-269.
[16] MATTHIEU B, JIN Y, MYRIAM B, et al. Discrimination of microbiological samples using femtosecond laser-induced breakdown spectroscopy［J］. Applied Physics Letters, 2006, 89(16): 163903.
[17] LI C M, GUO L B, HE X G, et al. Element dependence of enhancement in optics emission from laser-induced plasma under spatial confinement［J］. Journal of Analytical Atomic Spectrometry, 2014, 29(4), 638-643.
[18] NEOGI A, THAREJA R K. Dynamics of laser produced carbon plasma expanding in a nonuniform magnetic field［J］.Journal of Applied Physics, 1999, 85(2): 1131-1136.
[19] CIUCCI A, CORSI M, PALLESCHI V, et al. New procedure for quantitative elemental analysis by laser-induced plasma spectroscopy［J］. Applied Spectroscopy,1999, 53(8), 960-964.
[20] GRIEM H R. Principles of plasma spectroscopy［M］. Cambridge University Press,1997.
[22] PAGANO C, HAFEEZ S, LUNNEY J G. Influence of transverse magnetic field on expansion and spectral emission of laser produced plasma［J］. Journal of Physics D: Applied Physics, 2009, 42(15): 155205.
