Enhanced filament ablation of metals based on plasma grating in air

Di Wang; Shuai Yuan; Fengjiang Liu; Liangen Ding; Heping Zeng

doi:10.1063/1.4932130

Enhanced filament ablation of metals based on plasma grating in air

Di Wang
, Shuai Yuan
, Fengjiang Liu
, Liangen Ding
, Heping Zeng^*

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate efficient ablation of metals with filamentary plasma grating generated by two intense blue femtosecond filaments and a third focused infrared pulse. This scheme leads to significant promotion of ablation efficiency on metal targets in air in comparison with single infrared or blue filament with equal pulse energy. The reason is that the blue plasma grating firstly provides stronger intensity and a higher density of background electrons, then the delayed infrared pulse accelerates local electrons inside the plasma grating. These two processes finally results in robustly increased electron density and highly ionized metallic atoms.

Original language	English
Article number	097215
Journal	AIP Advances
Volume	5
Issue number	9
DOIs	https://doi.org/10.1063/1.4932130
State	Published - 1 Sep 2015

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10.1063/1.4932130

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title = "Enhanced filament ablation of metals based on plasma grating in air",

abstract = "We demonstrate efficient ablation of metals with filamentary plasma grating generated by two intense blue femtosecond filaments and a third focused infrared pulse. This scheme leads to significant promotion of ablation efficiency on metal targets in air in comparison with single infrared or blue filament with equal pulse energy. The reason is that the blue plasma grating firstly provides stronger intensity and a higher density of background electrons, then the delayed infrared pulse accelerates local electrons inside the plasma grating. These two processes finally results in robustly increased electron density and highly ionized metallic atoms.",

author = "Di Wang and Shuai Yuan and Fengjiang Liu and Liangen Ding and Heping Zeng",

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AU - Wang, Di

AU - Yuan, Shuai

AU - Liu, Fengjiang

AU - Ding, Liangen

AU - Zeng, Heping

PY - 2015/9/1

Y1 - 2015/9/1

N2 - We demonstrate efficient ablation of metals with filamentary plasma grating generated by two intense blue femtosecond filaments and a third focused infrared pulse. This scheme leads to significant promotion of ablation efficiency on metal targets in air in comparison with single infrared or blue filament with equal pulse energy. The reason is that the blue plasma grating firstly provides stronger intensity and a higher density of background electrons, then the delayed infrared pulse accelerates local electrons inside the plasma grating. These two processes finally results in robustly increased electron density and highly ionized metallic atoms.

AB - We demonstrate efficient ablation of metals with filamentary plasma grating generated by two intense blue femtosecond filaments and a third focused infrared pulse. This scheme leads to significant promotion of ablation efficiency on metal targets in air in comparison with single infrared or blue filament with equal pulse energy. The reason is that the blue plasma grating firstly provides stronger intensity and a higher density of background electrons, then the delayed infrared pulse accelerates local electrons inside the plasma grating. These two processes finally results in robustly increased electron density and highly ionized metallic atoms.

UR - https://www.scopus.com/pages/publications/84942740387

U2 - 10.1063/1.4932130

DO - 10.1063/1.4932130

M3 - 文章

AN - SCOPUS:84942740387

SN - 2158-3226

VL - 5

JO - AIP Advances

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Enhanced filament ablation of metals based on plasma grating in air

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