A Fundamental Understanding of the Dependence of the Laser-Induced Breakdown Spectroscopy (LIBS) Signal Strength on the Complex Focusing Dynamics of Femtosecond Laser Pulses on Either Side of the Focus

2014 ◽  
Vol 68 (9) ◽  
pp. 1021-1029 ◽  
Author(s):  
Craig A. Zuhlke ◽  
John Bruce ◽  
Troy P. Anderson ◽  
Dennis R. Alexander ◽  
Christian G. Parigger

2015 ◽  
Vol 17 (2) ◽  
pp. 147-152 ◽  
Author(s):  
Jie Shen ◽  
Zhengcai Yang ◽  
Xiaoliang Liu ◽  
Yanchao Shi ◽  
Peixi Zhao ◽  
...  


2010 ◽  
Vol 50 (1) ◽  
pp. 105-110 ◽  
Author(s):  
O. Balachninaitė ◽  
A. Baškevičius ◽  
K. Stankevičiūtė ◽  
K. Kuršelis ◽  
V. Sirutkaitis


2020 ◽  
Vol 92 (2) ◽  
pp. 20701
Author(s):  
Bo Li ◽  
Xiaofeng Li ◽  
Zhifeng Zhu ◽  
Qiang Gao

Laser-induced breakdown spectroscopy (LIBS) is a powerful technique for quantitative diagnostics of gases. The spatial resolution of LIBS, however, is limited by the volume of plasma. Here femtosecond-nanosecond dual-pulsed LIBS was demonstrated. Using this method, the breakdown threshold was reduced by 80%, and decay of continuous radiation was shortened. In addition, the volume of the plasma was shrunk by 85% and hence, the spatial resolution of LIBS was significantly improved.









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