Volume 18, Issue 1 (JIAEEE Vol.18 No.1 2021)                   Journal of Iranian Association of Electrical and Electronics Engineers 2021, 18(1): 109-116 | Back to browse issues page

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fasihi K, nourouzi S. Design and simulation of a pressure sensor based on a two dimensional photonic crystal slab of PbMoO4. Journal of Iranian Association of Electrical and Electronics Engineers 2021; 18 (1) :109-116
URL: http://jiaeee.com/article-1-635-en.html
Design and simulation of a pressure sensor based on a two dimensional photonic crystal slab of PbMoO4
Kiazand Fasihi * , Saeide Nourouzi
Golestan University
Abstract:   (2964 Views)
In this paper the design and three dimensions (3D) simulation of a photonic crystal (PC) pressure sensor is presented. The device is based on a 2D PC slab of PbMoO4. The simulations are based on finite element method (FEM) and finite-difference time-domain (FDTD) method and are done using CST STUDIO SUITE software. The sensitivity of the proposed sensor is calculated by considering the deformation and also refractive index variation factors. The numerical results show that when a pressure is applied, both factors cause to a reduction in the resonant wavelength of the transmission spectrum. It has been shown that the relationship between the applied pressure and the shift in the resonant wavelength of the cavity is linear. Based on the simulation results, the quality factor of the resonant peak of the transmission spectrum and the sensitivity of the proposed sensor are  -2.858 nm/GPa and 1040 , respectively.
Keywords: Pressure sensor, photonic crystal slab, finite element, finite-difference time-domain, deformation, refractive index, sensitivity, quality factor
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Type of Article: Research | Subject: Electronic
Received: 2018/07/25 | Accepted: 2019/01/27 | Published: 2021/03/21
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