Chinese Journal of Lasers, Volume. 45, Issue 7, 0711003(2018)
Signal Stability of Collinear Double Pulse Laser Induced Breakdown Spectroscopy Combining with Auto-Focusing System
Figures & Tables(9)
Fig. 3. Process of auto-focusing. (a) The first search process; (b) the second search process
Fig. 4. Relationship between pulse interval and spectral intensity. (a) Atomic lines; (b) ion lines
Fig. 6. Calibration curves of Cr element at two modes. (a) Without auto-focusing system; (b) with auto-focusing system
Fig. 7. Calibration curves of Mn element at two modes. (a) Without auto-focusing system; (b) with auto-focusing system
Table 1. Sharpness evaluation function value
View tableTable 1. Sharpness evaluation function value
Number a b c d e Value 278 577 926 640 327
Table 2. Relative standard deviation (RSD) of spectral intensity with and without auto-focusing system
View tableTable 2. Relative standard deviation (RSD) of spectral intensity with and without auto-focusing system
Element Fe I Ni I Fe II Cr I Fe I Fe II Cr II Ni I Ni II Wavelength /nm 358.12 352.45 238.20 357.87 373.49 238.20 206.15 361.94 218.55 RSD without auto-focusing 0.138 0.128 0.204 0.187 0.139 0.203 0.132 0.124 0.193 RSD with auto-focusing 0.052 0.058 0.084 0.069 0.050 0.084 0.064 0.055 0.082
Tools
Get Citation
Copy Citation Text
Jin Wu, Yuejin Wu, Shuang Fan, Zhuopin Xu, Huiru Chen, Cong Xu, Qi Wang. Signal Stability of Collinear Double Pulse Laser Induced Breakdown Spectroscopy Combining with Auto-Focusing System[J]. Chinese Journal of Lasers, 2018, 45(7): 0711003
Paper Information
Category: spectroscopy
Received: Feb. 5, 2018
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Qi Wang (wangqi@ipp.ac.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20