Theory and measurement of the single and hybrid-mode excitation and evolution in a lossy-dielectric-loaded waveguide

Wang, Weijie; Cao, Yingjian; Chen, Bailiang; Yao, Yelei; Wang, Yu; Gong, Xiaoqing; Jiang, Wei; Wang, Jianxun; Luo, Yong

doi:10.1080/09205071.2022.2148576

Journal of Electromagnetic Waves and Applications

2022

DOI: 10.1080/09205071.2022.2148576

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Theory and measurement of the single and hybrid-mode excitation and evolution in a lossy-dielectric-loaded waveguide

Weijie Wang

Yingjian Cao

Bailiang Chen

et al.

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2023

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Distributed loss-amplification modeling for the mid-infrared signal propagating in the myelinated and demyelinated nerve

Zhang,

Wang,

Huang

et al. 2023

Appl. Opt.

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The terahertz (THz) to infrared (IR) neural signal model is a potential mechanism for explaining neural communication. Myelinated neurons could be a lossy dielectric waveguide that can propagate these THz–IR neural signals. We propose an electromagnetic loss-amplification model to describe the propagation characteristics of mid-IR signals on myelinated neurons. During transmission with loss and amplification, neural signal intensity can be consistently maintained at 15.9 pW in bands 55 to 75 THz. This phenomenon becomes more pronounced as the number of myelin sheaths increases. However, escalated degrees of demyelination result in a reduction of signal intensity from 15.9 to 10 pW. This phenomenon eventually disrupts the process of loss amplification, consequently impeding the transmission of the signal. These results may contribute to a deeper understanding of mid-IR signal propagation mechanisms in myelinated nerves and studies of diseases associated with demyelination.

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Distributed loss-amplification modeling for the mid-infrared signal propagating in the myelinated and demyelinated nerve

Zhang,

Wang,

Huang

et al. 2023

Appl. Opt.

View full text Add to dashboard Cite

show abstract

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Theory and measurement of the single and hybrid-mode excitation and evolution in a lossy-dielectric-loaded waveguide

Cited by 1 publication

References 24 publications

Distributed loss-amplification modeling for the mid-infrared signal propagating in the myelinated and demyelinated nerve

Distributed loss-amplification modeling for the mid-infrared signal propagating in the myelinated and demyelinated nerve

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