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ICOP & ICPET 2017, 23 - : 665-668 Back to browse issues page
Design of Optical Biosensor Using 1D Photonic Crystal Structures Containing a Gradient Refractive Index Defect Layer
Hamid Pashaie Adl Mr * 1, Farzaneh Bayat Dr, Nadia Qorani Miss, Sohrab Ahmadi Kandjani , Hbib Tajalli Prof
Abstract:   (1013 Views)

 In this paper, we introduce a novel biosensor based on defective one-dimensional photonic crystals in total internal reflection (TIR) geometry, where a gradient refractive index (GRIN) defect layer is located at the end of the structure. By using the GRIN defect in the structure due to its special refractive index distribution function, the concentric ring-shaped reflectance distribution appears on the output plane of the structure that their radius is highly dependent to the refractive index of the Analyte at the end of the structure. Using the transfer matrix method (TMM) the sensitivity of this biosensor has been calculated for each ring.

Keywords: Biosensor, Photonic Crystals, Gradient Refractive Index, Total Internal Reflection, Transfer Matrix Method (TMM).
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Type of Study: Research | Subject: Special
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Pashaie Adl H, Bayat F, qorani N, Ahmadi Kandjani S, Tajalli H. Design of Optical Biosensor Using 1D Photonic Crystal Structures Containing a Gradient Refractive Index Defect Layer. ICOP & ICPET. 2017; 23 :665-668
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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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