光学学报, 2020, 40 (7): 0730001, 网络出版: 2020-04-15
遥测LIBS系统中样品位置波动对光谱特征参数的影响 下载: 855次
Influence of Sample Position Fluctuation on Spectral Characteristic Parameters in Telemetry LIBS System
图 & 表
图 2. 不同导轨位置下等离子体光谱随波长和样品距离的变化曲线。(a) 4 mm; (b) 12 mm
Fig. 2. Variation of plasma spectra with wavelength and sample distance at different rail positions. (a) 4 mm; (b) 12 mm
图 3. 不同导轨位置下元素谱线强度随样品距离的变化曲线
Fig. 3. Intensity variation of element spectral line with sample distance at different rail positions
图 4. 不同导轨位置处谱线的相对标准偏差随样品距离的变化曲线。(a) 4 mm; (b) 12 mm
Fig. 4. Relative standard deviation variation of spectral line with sample distance at different guide positions. (a) 4 mm; (b) 12 mm
图 5. 不同样品距离下光谱相似度变化趋势
Fig. 5. Variation trend of spectral similarity at different sample distances
图 6. 相似度为0.99时样品位置波动允差随样品距离的变化曲线
Fig. 6. Variation of sample position fluctuation tolerance with sample distance when similarity is 0.99
表 1用于计算等离子体温度的Fe I谱线参数表
Table1. Fe I spectral line parameters for calculating plasma temperature
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苏亚辉, 王广谦, 潘从元, 沈川. 遥测LIBS系统中样品位置波动对光谱特征参数的影响[J]. 光学学报, 2020, 40(7): 0730001. Yahui Su, Guangqian Wang, Congyuan Pan, Chuan Shen. Influence of Sample Position Fluctuation on Spectral Characteristic Parameters in Telemetry LIBS System[J]. Acta Optica Sinica, 2020, 40(7): 0730001.