Generation of transient plasma density grating induced by interaction between single laser pulse and solid-density plasma

Zhu Xuzhong; Huang Yuanling; Wang Jiaxiang

doi:10.11884/HPLPB202436.240008

Volume 36 Issue 12

Nov. 2024

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Zhu Xuzhong, Huang Yuanling, Wang Jiaxiang. Generation of transient plasma density grating induced by interaction between single laser pulse and solid-density plasma[J]. High Power Laser and Particle Beams, 2024, 36: 121003. doi: 10.11884/HPLPB202436.240008

Citation:

Zhu Xuzhong, Huang Yuanling, Wang Jiaxiang. Generation of transient plasma density grating induced by interaction between single laser pulse and solid-density plasma[J]. High Power Laser and Particle Beams, 2024, 36: 121003. doi: 10.11884/HPLPB202436.240008

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Generation of transient plasma density grating induced by interaction between single laser pulse and solid-density plasma

doi: 10.11884/HPLPB202436.240008

1.
School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
2.
State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China

Received Date: 2024-01-04
Accepted Date: 2024-09-25
Rev Recd Date: 2024-09-25

Available Online: 2024-10-17

Publish Date: 2024-11-08

Abstract

Abstract

In 1D particle-in-cell (PIC) simulation, it is found that a plasma grating is produced by the interaction of a single ultra-short laser pulse with a solid-density plasma carbon target. When the appropriate laser and plasma parameters are used, the incident laser and the laser reflected by the rear-surface of the plasma target can form a standing wave, resulting in a ponderomotive force and charge-separation field that can modulate the plasma density and form a plasma density grating. Under this mechanism, we have studied the plasma density gratings generated by the interaction between plasma and ultraviolet laser pulses with wavelengths ranging from 40nm to 130 nm. The results show that, using a single laser pulse and a under-critical plasma target, stable plasma gratings can last more than several tens of picoseconds, with the max peak density greater than twenty times that of the initial density. Compared with traditional generation of plasma gratings with two laser beams or density-gradient plasmas, this scheme with uniform plasma is easier to carry out.
- laser,
- plasma,
- grating,
- PIC simulation,
- ponderomotive force

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References(18)

References

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