High Power Laser and Particle Beams, Volume. 37, Issue 5, 052003(2025)
Theoretical investigation into effect of laser focal spot size on extreme ultraviolet radiation
Fig. 1. Schematic diagram of the plasma expansion of laser-ablated planar target
Fig. 2. One-dimensional density and temperature profiles of plasma produced by laser ablated planar target and expanding along target normal[22]
Fig. 3. The process of modelling the density distribution of a two-dimensional transient expansion
Fig. 4. Electron temperature distribution in the transverse (a) and longitudinal (b) directions
Fig. 5. Spatial distribution of electron density at 2D steady-state expansion
Fig. 6. Steady state position and time to reach the corresponding position for each characteristic density surface for different focal spot sizes
Fig. 7. Spatial distribution of electron density(a), electron temperature(b), emissivity(c), net emissivity(d) at laser focal spot radius of 60 μm, and
Fig. 8. Spatial distribution of electron density(a), electron temperature(b), emissivity(c), net emissivity(d) at laser focal spot radius of 105 μm, and
Fig. 9. Spatial distribution of electron density(a), electron temperature(b), emissivity(c), net emissivity(d) at laser focal spot radius of 158 μm, and
Fig. 10. One-dimension longitudinal profiles along the
Fig. 11. One-dimension longitudinal profiles along the
Fig. 12. One-dimension longitudinal profiles along the
Fig. 13. Temporal evolution of instantaneous conversion efficiency
Fig. 14. Time-averaged conversion efficiency
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Xiang Lan, Xuecheng Li, Shunyi Yang, Huibo Tang, Longyu Kuang, Guangyue Hu. Theoretical investigation into effect of laser focal spot size on extreme ultraviolet radiation[J]. High Power Laser and Particle Beams, 2025, 37(5): 052003
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Received: Sep. 14, 2024
Accepted: Nov. 29, 2024
Published Online: May. 22, 2025
The Author Email: Huibo Tang (tanghb@ustc.edu.cn), Longyu Kuang (kuangly0402@sina.com), Guangyue Hu (gyhu@ustc.edu.cn)