Comparison of nonintensified and intensified CCD detectors for laser-induced breakdown spectroscopy

被引：42
|
作者：
Carranza, JE [1 ]
Gibb, E
Smith, BW
Hahn, DW
Winefordner, JD
机构：
[1] Univ Florida, Dept Mech & Aerosp Engn, Gainesville, FL 32611 USA
[2] Univ Florida, Dept Chem, Gainesville, FL 32611 USA
来源：
APPLIED OPTICS | 2003年 / 42卷 / 30期
关键词：
D O I：
10.1364/AO.42.006016
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The performance and sensitivity of an intensified CCD array system and a nonintensified CCD array detector system are compared for laser-induced breakdown spectroscopy (LIBS). LIBS measurements were recorded in a calcium-based aerosol-seeded gas stream at ambient pressure. The signal-to-noise ratio based-on the 393.37-nm calcium emission line was calculated as a function of detector delay with respect to the plasma-initiating laser pulse. Both ensemble-averaging and. single-shot spectral analyses were performed. For all conditions, the intensified CCD system provided an enhanced signal-to-noise ratio compared with the nonintensified CCD system. (C) 2003 Optical Society of America.
引用
收藏
页码：6016 / 6021
页数：6
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