Design a Two-Gap Transmission Filter in Visible Wavelength by One-Dimensional Photonic Crystal

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Saeedi f.s.; MORADI M.

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Journal: NANOSCALE Year:2019 | Volume:6 | Issue:2 Page(s): 20-25

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Title

Design a Two-Gap Transmission Filter in Visible Wavelength by One-Dimensional Photonic Crystal

Author(s)

Saeedi f.s. | MORADI M. | Issue Writer Certificate

Keywords

One-dimensional photonic crystalQ1

Defect layerQ1

Visible light filterQ1

Thin filmQ1

Abstract

In this paper [Si/SiO2] stacks and silicon nitride as substrate were used to design a One-dimensional photonic crystal for application in Visible light filters. In normal mode, transmission spectrum a has a forbidden transmission region, but by inserting the TiO2 Thin film as a Defect layer between the stacks, a transmission gap with a width of a few nanometers was created in the forbidden band. In addition, with a simple innovation and with the help of a relatively symmetric structure we managed to create two gaps in the band of visible and infrared wavelengths. By simple calculations, the location of the two gaps by changing the layer thicknesses, can be quite engineered and adjusted. It should be noted that in some structures three adjustable gaps were created which can have a variety of applications. All calculations have been carried out based on a 2 × 2 transfer matrix method (TMM) using MATLAB software.

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APA: Copy

Saeedi, f.s., & MORADI, M.. (2019). Design a Two-Gap Transmission Filter in Visible Wavelength by One-Dimensional Photonic Crystal. NANOSCALE, 6(2 ), 20-25. SID. https://sid.ir/paper/257021/en

Vancouver: Copy

Saeedi f.s., MORADI M.. Design a Two-Gap Transmission Filter in Visible Wavelength by One-Dimensional Photonic Crystal. NANOSCALE[Internet]. 2019;6(2 ):20-25. Available from: https://sid.ir/paper/257021/en

IEEE: Copy

f.s. Saeedi, and M. MORADI, “Design a Two-Gap Transmission Filter in Visible Wavelength by One-Dimensional Photonic Crystal,” NANOSCALE, vol. 6, no. 2 , pp. 20–25, 2019, [Online]. Available: https://sid.ir/paper/257021/en

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