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ICOP & ICPET 2018, 24 - : 669-672 Back to browse issues page
Experimental observation of Plasmonic-Induced-Transparency (PIT) in Metal-Insulator-Metal (MIM) for a three-layer structure
Amene Rezaeian * 1, Mahmood Hosseini Farzad 1
1- Shiraz University-College of Science-Department of Physics
Abstract:   (40 Views)
In this paper we experimentally demonstrate a Plasmonic-Induced-Transparency (PIT) in a metal-insulator-metal   (Ag-Al₂O₃-Ag) nanostructure based on the attenuated total reflection (ATR) method. In this phenomenon, the taken energy from incident light which is used to excite surface plasmon polaritons (SPPs) on metallic nonolayer, returned to the incident light by a physical mechanism that has ability to coupled the SPPs. In practice, the expected dip in the reflectivity curve with respect to angle of incident light from three layers structure should be transformed to a peak in the angle of minimum reflectivity. For this work, at first; we simulate Plasmonic-Induced-Transparency (PIT) for Ag-Al₂O₃-Ag nanostructure by comsol software and obtain the optimal thickness of the layers that this phenomenon occurs for them. Then, we deposit these three layers with optimal thicknesses on a plexi glass prism with refractive index 1.488. By a laboratory setup, we measure the reflectivity curve from layers with respect to incident angle by a He-Ne laser with wavelength 632.8nm and TM polarization. Results of this measurement confirm the prediction of the simulation.
Keywords: Plasmonic-Induced-Transparency (PIT), Attenuated Total Reflection (ATR) method, Metal-Insulator-Metal (MIM) structure.
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Type of Study: Research | Subject: Special
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Rezaeian A, Hosseini Farzad M. Experimental observation of Plasmonic-Induced-Transparency (PIT) in Metal-Insulator-Metal (MIM) for a three-layer structure. ICOP & ICPET. 2018; 24 :669-672
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Volume 24 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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