Spectral intensity clamping in linearly and circularly polarized femtosecond filament-induced Cu plasmas,Journal of Analytical Atomic Spectrometry

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Spectral intensity clamping in linearly and circularly polarized femtosecond filament-induced Cu plasmas
Journal of Analytical Atomic Spectrometry ( IF 3.1 ) Pub Date : 2018-06-07 00:00:00 , DOI: 10.1039/c8ja00072g
Qiuyun Wang _{1,

2,

3,

4,

5} , Anmin Chen _{1,

2,

3,

4,

5} , Ying Wang _{1,

2,

3,

4,

5} , Laizhi Sui _{1,

2,

3,

4,

5} , Suyu Li _{1,

2,

3,

4,

5} , Mingxing Jin _{1,

2,

3,

4,

5}

Affiliation

It is well known that the properties of femtosecond laser filamentation strongly depend on laser polarization. The spectral emission generated by linearly polarized femtosecond filament-induced breakdown spectroscopy will differ from that in the circularly polarized femtosecond one. This study investigated the emission features of plasmas generated by using a circularly or linearly polarized femtosecond laser filament from a Cu target. The differences between the lengths of the clamped spectral intensity zones along the filament were obtained by using optical emission spectroscopy. The spectral intensity along the filament propagation path in the circular polarization case was more stable against small perturbations compared with that in the linear polarization one.

中文翻译：

线性和圆极化飞秒灯丝诱导的铜等离子体中的光谱强度钳制

众所周知，飞秒激光灯丝化的特性在很大程度上取决于激光偏振。线性偏振飞秒细丝诱发的击穿光谱法产生的光谱发射将不同于圆偏振飞秒飞秒的光谱发射。这项研究调查了使用圆形或线性偏振飞秒激光灯丝从铜靶产生的等离子体的发射特性。通过使用光发射光谱法获得沿着灯丝的被钳制的光谱强度区域的长度之间的差异。与线性偏振相比，在圆偏振情况下沿着细丝传播路径的光谱强度在较小的扰动下更为稳定。

更新日期：2018-06-07

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