Optimization of dichromatic filters based on photonic heterostructures of Si/MgF2 |
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| Authors: | Huihuan Guan Peide Han Yuping Li Hongwei Zhou Xue Zhang Ruizhen Zhang |
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| Institution: | 1. Energy Materials Convergence Research Department, Korea Institute of Energy Research, 71-2, Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea;2. Jeju Global Research Center, Korea Institute of Energy Research, 200, Haemajihaean-ro, Gujwa-eup, Jeju Special Self-Governing Province 695-971, Republic of Korea;1. Material Science and Metallurgical Engineering Department & Center for Research in Nanoengineering, UniversistatPolitècnica de Catalunya, Avda. Diagonal 647 (ETSEIB), 08028 Barcelona, Spain;2. Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla), Avda. Américo Vespucio 49, 41092 Sevilla, Spain;1. E. L. Ginzton Laboratory, Stanford University, Stanford, CA 94305, USA;2. LIGO Laboratory, California Institute of Technology, Pasadena, CA 91125, USA;3. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA;4. SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, United Kingdom;5. Department of Geological Sciences, Stanford University, Stanford, CA 94305, USA |
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| Abstract: | The current research work presents the theoretical results of demonstrating novel dichromatic filters, which consist of blue and yellow light. A one-dimensional photonic crystal or photonic heterostructure of Si/MgF2 is analyzed in detail by fully considering the effects of structural parameters using the transfer matrix method. The position and the number of defect modes are shown to have relationships with the repeat cycle counts of various photonic crystals. When the photonic heterostructures have the optimized structural parameters, defect modes can be obtained with high transmittances located in blue and yellow light. This photonic heterostructure is expected to be used in dichromatic filters with wide non-transmission range in a visible range. |
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