Ya-xiong HE, Wen-qi ZHOU, Bin ZHUANG, Yong-sheng ZHANG, Chuan KE, Tao XU, Yong ZHAO. Study on Time-Resolved Characteristics of Laser-Induced Argon Plasma[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1049
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1049 (2022)
Fig. 1. Experimental setup diagram of laser-induced breakdown in argon
Fig. 2. Spectral evolution characteristics of Ar plasma under different delay times
Fig. 3. Time evolutions of Ar characteristic spectral lines under three laser pulse energies
Fig. 4. Fitting curve of Ar 696.54 nm spectral line
Fig. 5. The laser-induced electron density of Argon plasma at different laser energies (60, 80 and 100 mJ) calculated by stark broadening of the Ar Ⅰ 696.54 nm lines. The error bar is calculated according to the fitting error of the Stark stretch parameter
Fig. 6. Saha-Boltzmann diagrams of different delay times under different laser energies
Fig. 7. Plasma temperature at various delay times for different laser energies
Fig. 8. Time evolution of signal-to-noise ratio of Ar spectrum under different laser energies
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Table 1. Relevant spectral data of the observed emission lines
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