Enhancement of third harmonic generation in air filamentation using obstacles

The intensity of third harmonic emission in air filamentation disturbed by copper fibers and alcohol droplets has been investigated experimentally. Enhancement of the third harmonic emission up to more than one order of magnitude has been observed. The physical mechanism of third harmonic enhancemen...

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Bibliographic Details
Published in:Chinese physics B 2015-03, Vol.24 (3), p.1-4
Main Author: 刘晓龙 鲁欣 杜志贵 马景龙 李玉同 张杰
Format: Article
Language:English
Subjects:
Copper
Droplets
Emission
Emission analysis
Fibers
Harmonic generations
Harmonics
Interference
Obstacles
三次谐波
成丝
物理机制
相对位置
空气
谐波产生
辐射强度
铜纤维
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Summary:The intensity of third harmonic emission in air filamentation disturbed by copper fibers and alcohol droplets has been investigated experimentally. Enhancement of the third harmonic emission up to more than one order of magnitude has been observed. The physical mechanism of third harmonic enhancement is attributed to suppression of the destructive interference by comparison of the experimental results and it is closely related to the type, size, and relative position of the obstacles.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/3/034207