Design of Linear Magnetic Field Sensor Based on Periodically Magnetized Cold Plasma

IF 0.1 Q4 PHYSICS, CONDENSED MATTER
Nisha, Narendra Kumar, Bhuvneshwer Suthar
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引用次数: 0

Abstract

We have analyzed the impact of a linear magnetic field on the photonic band gaps exhibited by bulk cold plasma, under external square-wave-like periodic magnetic field of fixed magnitude, conceived as an extrinsic photonic crystal. Here photonic band gaps are determined using transfer matrix method (TMM). Here, the impact of an additional linear magnetic field is determined on the band gaps of plasma photonic crystal with constant magnitude of square like periodic magnetic field, for normal incidence. We determine how the additional and magnetic magnetic field affects the photonic band structure (PBS) and reflectance for such extrinsic photonic crystal. It is noted that, as we increase the additional applied magnetic field, the central frequency of band gaps is shifted toward higher frequency regions in GHz. The band edge increases linearly with the applied magnetic field. The shifting in lower band edge less as compared to upper edge. Sensor is a device which detect the stimuli and give output, and many physical parameters can be measured by sensors. The shifting of band edges can be utilized in design of magnetic field sensor. Here shifting in band gaps by variation in the additional applied magnetic field are determined. The larger value of sensitivity gives a good result for sensing-based application. This analysis is based on the band gaps of extrinsic photonic crystal, and can be employed in design of magnetic field sensor with good sensitivity. Moreover, it can find applications in tunable optical devices.
基于周期性磁化冷等离子体的线性磁场传感器设计
我们分析了线性磁场对大块冷等离子体在固定大小的类方波周期性磁场作用下所表现出的光子带隙的影响,并将其设想为一种外源光子晶体。本文采用传递矩阵法(TMM)确定光子带隙。本文在法向入射条件下,确定了在等量方形周期磁场条件下,外加线性磁场对等离子体光子晶体带隙的影响。研究了外加磁场和外加磁场对这种外源光子晶体光子带结构和反射率的影响。结果表明,随着外加磁场的增大,带隙的中心频率向GHz的高频区偏移。带边随外加磁场线性增加。与上边缘相比,下带边缘的移位较小。传感器是一种检测刺激并给出输出的装置,通过传感器可以测量许多物理参数。在磁场传感器的设计中,可以利用带边缘的移动。这里通过附加外加磁场的变化来确定带隙的位移。较大的灵敏度值对基于传感的应用具有较好的效果。该分析基于光子晶体的带隙,可用于设计具有良好灵敏度的磁场传感器。此外,它可以在可调谐光学器件中找到应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Condensed Matter Nuclear Science
Journal of Condensed Matter Nuclear Science Energy-Nuclear Energy and Engineering
CiteScore
0.50
自引率
0.00%
发文量
0
期刊介绍: The Journal of Condensed Matter Nuclear Science is an open-access electronic journal that accepts scientific papers of high quality concerned with subjects relating to nuclear processes in condensed matter. Papers may focus on the results of experimental studies, theoretical studies, or a combination of these. Topics to which the journal is addressed include:- Calorimetry, energy production in metal hydrides and deuterides; Correlations, or lack of correlations, between energy production and possible nuclear products Materials science issues that are important for the development of nuclear effects in condensed matter Electrochemical issues concerning loading, surface chemistry, resistance diagnostics and other issues concerning metal hydrides and metal deuterides Observations of nuclear products, charged particles, neutrons, tritium, X-ray and gamma emission in metal hydrides Production of new elements or isotopes in metal hydrides and metal deuterides; and modification of isotopic distributions Induced radioactivity in metal deuterides and metal hydrides Accelerator experiments on metal deuterides and metal hydrides Models for nuclear processes in the condensed matter.
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