以波长1064 nm的Nd:YAG调Q激光束为激发光源,对铜、镁铝合金和钢等金属材料的激光诱导等离子体光谱(Lips)进行了实验探测,并分析了延迟时间、环境气体等因素对元素光谱特性的影响.适当的延迟时间和氩气环境能显著地改善谱线的信噪比,从而提高元素含量分析的精度.
参考文献
| [1] | Aragón C,Aguilera J A.Characterization of laser induced plasmas by optical emission spectroscopy:A review of experiments and methods[J].Spectrochimica Acta Part B,2008,63(9):893-916. |
| [2] | Zhang Xiaoping,Chen Jinzhong,Guo Qinglin,et al.The current development of laser-induced plasma spectral analysis technique[J].Spectroscopy and Spectral Analysis (光谱学与光谱分析),2008,28(3):656-662 (in Chinese). |
| [3] | Song Dongting,Qi Hongxing,Shu Rong.Quantitative analysis of heavy metal in soil by laser-induced breakdown spectroscopy[J].Science Technology and Engineering (科学技术与工程),2008,8(15):4070-4077 (in Chinese). |
| [4] | Qi Hongxing,Shu Roug,Lü Gang,et al.Elemental analysis technique based on laser induced breakdown spectroscopy[J].Laser and Infrared (激光与红外),2007,37(4):314-317 (in Chinese). |
| [5] | Cui Zhifeng,Zhang Xianyi,Yao Guanxin,et al.An experimental investigation on the property of the laserinduced break down spectroscopy[J].Journal of Atomic and Molecular Physics (原子与分子物理学报),2007,24(1):101-103 (in Chinese). |
| [6] | Song Yizhong,et al.Time distribution of the continuum radiation in the plasma induce by laser ablating A1[J].Acta Optica Sinica (光学学报),2001,21(4):404-409 (in Chinese). |
| [7] | Kuzuya M,Matsumoto H,Takechi H,et al.Effect of laser energy and atmosphere on the emission characteristics of laser-induced plasmas[J].Applied Spectroscopy,1993,47(10):1659-1664. |
| [8] | Panne U,Haisch C,Clara M,et al.Analysis of glass and glass melts during the vitrification process of fly and bottom ashes by laser induced plasma spectroscopy.Part Ⅰ:Normalization and plasma diagnostics[J].Spectrochimica Acta Part B,1998,53(14):1957-1968. |
| [9] | Sdorra W,Niemax K.Basic investigations for laser microanalysis:Ⅲ.Application of different buffer gases for laser-produced sample plumes[J].Mikrochim.Acta,1992,107:319-327. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%