Experimental investigation of non-linear wave to plasma interaction in a quasi-flat magnetostatic field

被引：7

作者：

Castro, G. ^{[1
]}

Mascali, D. ^{[1
]}

Agnello, R. ^{[1
,2
]}

Celona, L. ^{[1
]}

Leonardi, O. ^{[1
]}

Neri, L. ^{[1
]}

Nicolosi, D. ^{[1
]}

Torrisi, G. ^{[1
,3
]}

Gammino, S. ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Sud, Via S Sofia 62, I-95125 Catania, Italy

[2] Univ Catania, Dipartimento Fis & Astron, Via S Sofia 64, I-95123 Catania, Italy

[3] Univ Mediterranea Reggio Calabria, DIIES, Via Graziella, I-89100 Reggio Di Calabria, RC, Italy

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 02期

关键词：

D O I：

10.1063/1.4935616

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A characterization of wave-to-plasma interaction in a quasi-flat magnetostatic field at 3.75 GHz has been carried out by using a small-wire movable RF antenna, connected to a spectrum analyzer. The coupling between electromagnetic and electrostatic waves leads to a characteristic spectral emission in low frequency range and around the pumping wave frequency. The most relevant results consist in the broadening of the pumping wave spectrum above critical RF power thresholds and in the generation of sidebands of the pumping frequency, with corresponding components in low frequency domain. The non-linearities are accompanied by the generation of overdense plasmas and intense fluxes of X-rays. (C) 2015 AIP Publishing LLC.

引用

页数：3

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