Theoretical Analysis on Propagation of Electromagnetic Wave in Preformed Narrow Plasma Channel

LI Chunzao(李春早); LIU Shaobin(刘少斌); BIAN Borui(卞博锐); DAI Zhaoyang(戴钊阳); ZHANG Xueyong(张学勇)

doi:10.1088/1009-0630/14/8/04

Plasma Science and Technology > 2012 > 14(8): 702-707. > DOI: 10.1088/1009-0630/14/8/04

LI Chunzao(李春早), LIU Shaobin(刘少斌), BIAN Borui(卞博锐), DAI Zhaoyang(戴钊阳), ZHANG Xueyong(张学勇). Theoretical Analysis on Propagation of Electromagnetic Wave in Preformed Narrow Plasma Channel[J]. Plasma Science and Technology, 2012, 14(8): 702-707. DOI: 10.1088/1009-0630/14/8/04

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Theoretical Analysis on Propagation of Electromagnetic Wave in Preformed Narrow Plasma Channel

Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Funds: supported by National Natural Science foundation of China (No. 60971122) and the Aeronautical Science Foundation (No. 2009ZA52008).

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Received Date: October 18, 2010

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Abstract

Abstract

In the plasma sheath a narrow plasma channel generated by ultraintense laser pulses is simplified as a special cylindrical and hollow plasma waveguide with the infinite thickness of the plasma cladding. The electromagnetic wave (EM) propagation properties of the plasma channel near the cutoff and far from the cutoff are considered. Theoretical analysis shows that TE_0m and TM_0m and hybrid modes emerge in the plasma channel, which is influenced by the normalized frequency parameter B and numerical aperture NA. The cutoffs of the various modes are approximated. Single-mode operation is possible without a high-frequency limitation in the channel.
- plasma channel,
- TE_0m,
- TM_0m,
- hybrid modes,
- single-mode

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