Xu-dong CHEN, Jing-ge WANG, Di FENG, Jia-wei WEI, Li-ping WANG, Hong WANG. Effect of Laser Focusing on Laser-Induced Plasma Confined by Hemispherical Cavity[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3577
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 11, 3577 (2021)
Fig. 1. Schematic diagram of the experimental system
Fig. 2. Distributions of the spectral line intensity with the laser energy and delay time
(a): Fe Ⅰ 374.55 nm without confinement; (b): Mn Ⅰ 403.08 nm nm without confinement;(c): Fe Ⅰ 374.55 nm with confinement; (d): Mn Ⅰ 403.08 nm with confinement
(a): Fe Ⅰ 374.55 nm without confinement; (b): Mn Ⅰ 403.08 nm nm without confinement;(c): Fe Ⅰ 374.55 nm with confinement; (d): Mn Ⅰ 403.08 nm with confinement
Fig. 3. Distribution of the enhanced factors as a function of the laser energy and delay time
(a): Fe Ⅰ 374.55 nm; (b): Mn Ⅰ 403.08 nm
(a): Fe Ⅰ 374.55 nm; (b): Mn Ⅰ 403.08 nm
Fig. 4. Optimal enhanced factor as a function of LTSD
(a): The first enhancement; (b): The second enhancement
(a): The first enhancement; (b): The second enhancement
Fig. 5. Optimal delay time as a function of LTSD
(a): The first enhancement; (b): The second enhancement
(a): The first enhancement; (b): The second enhancement
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