Simulation Analysis of Grating-Assisted Ultra-Narrow Band Multispectral Plasma Resonance Sensing Structure

Xu Zhong; Tiesheng Wu; Xueyu Wang; Huixian Zhang; Zhihui Liu; Dan Yang; Zuning Yang; Yan Liu; Rui Liu

doi:10.3788/LOP202259.1105002

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 11 >Page 1105002 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 11, 1105002 (2022)

Simulation Analysis of Grating-Assisted Ultra-Narrow Band Multispectral Plasma Resonance Sensing Structure

Xu Zhong¹, Tiesheng Wu^1、3、*, Xueyu Wang^2、**, Huixian Zhang¹, Zhihui Liu¹, Dan Yang¹, Zuning Yang¹, Yan Liu¹, and Rui Liu¹

Author Affiliations

¹Key Laboratory of Wireless Broadband and Signal Processing, School of Information and Communication, Guilin University of Electronic Technology, Guilin 541004, Guangxi , China

²School of Electronic Engineering Bupt, Beijing University of Posts and Telecommunications, Beijing 100876, China

³Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, Guangdong , China

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DOI: 10.3788/LOP202259.1105002 Cite this Article Set citation alerts

Xu Zhong, Tiesheng Wu, Xueyu Wang, Huixian Zhang, Zhihui Liu, Dan Yang, Zuning Yang, Yan Liu, Rui Liu. Simulation Analysis of Grating-Assisted Ultra-Narrow Band Multispectral Plasma Resonance Sensing Structure[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1105002 Copy Citation Text

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Structure and transmission spectrum of the sensor. (a) Three-dimensional structure of the sensor; (b) two-dimensional structure of the sensor; (c) transmission spectra of three structures

Fig. 1. Structure and transmission spectrum of the sensor. (a) Three-dimensional structure of the sensor; (b) two-dimensional structure of the sensor; (c) transmission spectra of three structures

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Electric and magnetic field distributions at the corresponding wavelengths of two dips. (a) Electric field distribution; (b) magnetic field distribution

Fig. 2. Electric and magnetic field distributions at the corresponding wavelengths of two dips. (a) Electric field distribution; (b) magnetic field distribution

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Fig. 3. Influence of metal nanopillar height on the structural transfer characteristic. (a) Influence of the height of the metal nanopillars on the transmission spectrum; (b) relationship between metal nanopillar height and peak wavelength and FWHM

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Fig. 4. Influence of metal nanopillar width on structural transfer characteristic. (a) Influence of metal nanopillar width on transmission spectrum; (b) relationship between metal nanopillar width and peak wavelength and FWHM

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Fig. 5. Influence of TM wave incident angle on the structural transfer characteristic. (a) Influence of TM wave incident angle on transmission spectrum; (b) relationship between TM wave incident angle and peak wavelength and FWHM

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Fig. 6. Influence of polarization on transmission spectrum

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Fig. 7. Influence of structural deviation on transmission spectrum. (a) Size of rectangular dielectric block changes by 5%; (b) size of rectangular metal block changes by 5%; (c) thickness of SiO₂/Al₂O₃layer changes by 5%; (d) overall structure size changes by 5%

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$Simulation results of sensing characteristics. (a) Transmission spectrum corresponding to different ambient refractive index conditions; (b) relationship between the peak wavelength of the transmission spectrum and the FWHM and the external refractive index$

Fig. 8. Simulation results of sensing characteristics. (a) Transmission spectrum corresponding to different ambient refractive index conditions; (b) relationship between the peak wavelength of the transmission spectrum and the FWHM and the external refractive index

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Structural change type	Decrease by 5%	Original structure	Increase by 5%
Size of rectangular dielectric block	0.37	0.35	0.42
Size of rectangular metal block	0.42	0.35	0.38
Thickness of SiO₂ /Al₂O₃ layer	0.38	0.35	0.35
Overall structure size	0.53	0.35	0.39

Table 1. FWHM of dip1 at 5% structural deviation

Structural change type	Decrease by 5%	Original structure	Increase by 5%
Size of rectangular dielectric block	0.78	0.59	0.82
Size of rectangular metal block	0.65	0.59	0.72
Thickness of SiO₂ /Al₂O₃ layer	0.85	0.59	0.61
Overall structure size	0.66	0.59	0.72

Table 2. FWHM of dip2 at 5% structural deviation

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