Plasma fibre using bright-core helicon plasma
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911242813177856 |
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| author | Chang, Lei Kan, Zi-Chen Ma, Jing-Jing Thakur, Saikat Chakraborty Caneses, Juan Francisco |
| author_facet | Chang, Lei Kan, Zi-Chen Ma, Jing-Jing Thakur, Saikat Chakraborty Caneses, Juan Francisco |
| contents | This paper reports an innovative concept of ``plasma fibre" using bright-core helicon plasma, inspired by its spatial and spectral similarities to the well-known optical fibre. Theoretical analyses are presented for both ideal case of step-like density profile and the realistic case of Gaussian density profile in radius. The total reflection of electromagnetic waves near the sharp plasma density gradient and consequently the wave-guide feature could indeed happen if the incident angle is larger than a threshold value. Numerical computations using electromagnetic solver that based on Maxwell's equations and cold-plasma dielectric tensor yield consistent results. The experimental verification and prospective applications are also suggested. The ``plasma fibre" could be functional component that embedded into existing communication systems for special purpose based on its capability of dynamic reconfiguration. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_27105 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Plasma fibre using bright-core helicon plasma Chang, Lei Kan, Zi-Chen Ma, Jing-Jing Thakur, Saikat Chakraborty Caneses, Juan Francisco Plasma Physics Optics This paper reports an innovative concept of ``plasma fibre" using bright-core helicon plasma, inspired by its spatial and spectral similarities to the well-known optical fibre. Theoretical analyses are presented for both ideal case of step-like density profile and the realistic case of Gaussian density profile in radius. The total reflection of electromagnetic waves near the sharp plasma density gradient and consequently the wave-guide feature could indeed happen if the incident angle is larger than a threshold value. Numerical computations using electromagnetic solver that based on Maxwell's equations and cold-plasma dielectric tensor yield consistent results. The experimental verification and prospective applications are also suggested. The ``plasma fibre" could be functional component that embedded into existing communication systems for special purpose based on its capability of dynamic reconfiguration. |
| title | Plasma fibre using bright-core helicon plasma |
| topic | Plasma Physics Optics |
| url | https://arxiv.org/abs/2510.27105 |