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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 陳士元(Shih-Yuan Chen) | |
dc.contributor.author | Liang-Yu Ou Yang | en |
dc.contributor.author | 歐陽良昱 | zh_TW |
dc.date.accessioned | 2021-06-16T02:35:20Z | - |
dc.date.available | 2020-07-31 | |
dc.date.copyright | 2015-07-31 | |
dc.date.issued | 2015 | |
dc.date.submitted | 2015-07-27 | |
dc.identifier.citation | References
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Mock, “Experimental characterization of magnetic surface plasmons on metamaterials with negative permeability ,” Phys. Rev. B, vol. 71, pp.195402, May. 2005. [25] K. Levenberg, “A method for the solution of certain problems in least squares,” Quart. Appl. Math., vol. 2, pp 164–168, 1944. [26] D. W. Marquardt, “An algorithm for least-squares estimation of nonlinear parameters,” SIAM J. Appl. Math., vol. 11, pp. 431–441, 1963. [27] D. M. Pozar, Microwave Engineering, 4th Ed., New York: Wiley, 2012. [28] C. A. Balanis, Advanced Engineering Electromagnetics, 2nd Ed., Hoboken, N.J.: John Wiley & Sons, 2012. [29] M. N.-Cía, M. Beruete, S. Agrafiotis, F . Falcone, M. Sorolla, and S. A. Maier“Broadband spoof plasmons and subwavelength electromagnetic energy confinement on ultrathin metafilms,” Opt. Express, vol. 17, no. 20, pp. 18184–18195, Sep. 2009. [30] M. L. Brongersma and V. M. Shalaev, “The case for plasmonics,” Science, vol. 328, no. 5977, pp. 440-441, Apr. 2010. [31] J. J. Wu, H. E. Lin, T .-J. Yang, Y .-H. Kao, H.-L. Chiueh, D. J. Hou, “Open waveguide based on low frequency spoof surface plasmon polaritons,” Journal of Electromagnetic Analysis and Applications, vol. 5, pp. 58-62, Feb. 2013. [32] A. Yariv, “Coupled-mode theory for guided-wave optics,” IEEE J. Quantum Electron., vol. QE-9, no. 9, pp. 919-933, Sep. 1973 [33] A. Yariv and P . Yeh, Optical Waves in Crystals: Propagation and Control of Laser Radiation, New York: Wiley, 1984. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/53978 | - |
dc.description.abstract | 吾人展現一個基於微波表面電漿子的平面開放式導波結構。為了實作上的考量,吾人提出利用單軸金屬帶線媒質取代熟知的金屬導線媒質做為等效的負介電常數塊材以支持微波表面電漿子模態。一些相關的公式,包含微波表面電漿子的色散關係式與非等向性且空間色散介質的多層反射-透射公式都被提出。值得一提的是,不像過去大部分文獻均嘗試抑制空間色散,對於吾人提出的結構,空間色散效應不僅可增強表面電漿子模態場的局限能力達41%,況且,單軸金屬帶線平板可透過在其背面貼上金屬以減少50%的板厚,並且不干擾表面電漿子的反對稱模態分布。此方法和空間色散可用來避免在多層電路板結構中元件的電磁干擾和縮小微波表面電漿感測器與表面波導。吾人完成兩個實驗以驗證理論計算與模擬。第一個實驗展示微波表面電漿模態的存在,且提出的結構其厚度達子波長等級。此外,對於這樣的慢波結構其傳播損耗很少被定量討論,在本論文中,透過理論計算和模擬,闡明吾人提出的結構其表面電漿子模態傳播損耗是非常低的。在第二個實驗中,吾人再次驗證所預測的微波表面電漿模態其存在性,也展示實際的模態傳輸特性。實驗結果表明微波表面電漿效應可以增強一個收發機系統的傳輸效率。 | zh_TW |
dc.description.abstract | A planar and compact open waveguiding structure based on spoof surface plasmon polaritons (SPPs) was demonstrated. For practicality, instead of the well-known wire medium, the uniaxial strip medium (USM) was proposed and used as the effective bulk material with a negative dielectric constant to support the spoof SPP modes. The relevant formulations, including the modal dispersion relations and the formulation for the waves in a multilayer anisotropic spatially dispersive structure, are analytically presented in this thesis. Interestingly, instead of taming and suppressing the spatial dispersion (SD), which had been done in most past studies, SD was exploited in the proposed structure to enhance the field confinement of the spoof SPP mode by approximately 41%. Moreover, the thickness of the USM slab could be reduced by 50% using conductor backing and without perturbing the odd mode. This method and SD can help avoid electromagnetic interactions among various components of a multilayer
printed circuit board (PCB) structure and help miniaturize sensors or surface-wave waveguides in the microwave regime. Two experiments were conducted to verify the theoretical calculations and simulations. The first experiment is designed to demonstrate the presence of the spoof SPP modes and the thickness of the proposed structure is in subwavelength order. Additionally, the propagation loss for such slow-wave structures has seldom been discussed analytically and quantitatively. In this thesis, through calculations and simulations, low attenuation constants in the spoof SPP propagation direction of the proposed structures were investigated. In the second experiment, the existence of the predicted spoof SPP is again confirmed and the practical transmission performance is demonstrated. The results show that the spoof SPP can enhance the transmission efficiency between a transmitter and receiver system. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T02:35:20Z (GMT). No. of bitstreams: 1 ntu-104-D98942009-1.pdf: 2642940 bytes, checksum: 64a312995bffec05d6c0daffcd94093c (MD5) Previous issue date: 2015 | en |
dc.description.tableofcontents | CONTENTS
口試委員審定書 ............................................................................................................. iii 致謝 ...................................................................................................................v 中文摘要 .................................................................................................................vii ABSTRACT ....................................................................................................................ix CONTENTS ....................................................................................................................xi LIST OF FIGURES ..................................................................................................... xiii Chapter 1 Introduction to Metamaterial and Spoof Surface Plasmon Polaritons (SPPs) ........................................................................................................ 1 Chapter 2 Theory of Uniaxial Strip Medium (USM) and the Spoof SPP Modes.. 6 2.1 Effective Model of USM ............................................................................... 6 2.2 Spoof SPP Modes Sustained by an USM Slab ............................................ 7 2.3 Formulation for the Waves in a Multilayer Anisotropic Structure .......... 8 2.4 Design Procedure and Parameters ............................................................ 10 Chapter 3 Calculation, Simulation, and Measurement ......................................... 17 3.1 Experimental Setup .................................................................................... 17 3.1.1 Extraction Procedure for the Required Reflection Spectrum from the Measured S-parameter .................................................................................. 18 3.2 Calculated, Simulated, and Measured Results ......................................... 19 3.2.1 Reflection Spectrum and a Brief Guideline to Use USM Slab as a Plasmonic Sensor ........................................................................................................... 19 3.2.2 Modal Analysis of Spoof SPP Sustained by (Conductor-Backed) USM Slab: Propagation Loss and Field Confinement..................................................... 23 Chapter 4 Practical Demonstration of Spoof SPP-Based Enhanced Transmission ................................................................................................................. 35 4.1 Edge-Coupling Mechanism and Eigenmode Analysis of Conductor-Backed USM (CB-USM) Slab ................................................ 35 4.2 Simulation and Experimental Setup ......................................................... 37 4.3 Calculated, Simulated, and Measured Results ......................................... 39 4.4 Size Reduction of CB-USM Slab and Improved Transmission Performance ................................................................................................ 43 4.5 Homogeneity Limit of USM ....................................................................... 46 Chapter 5 Conclusion and Future Works .............................................................. 63 Appendix A ...................................................................................................................66 Appendix B ...................................................................................................................68 Appendix C ...................................................................................................................71 References ..........................................................................................................74 Publication List of Liang-Yu Ou Yang ......................................................................... 79 Journal Article ........................................................................................................ 79 Conference and Proceeding Paper ........................................................................ 79 | |
dc.language.iso | en | |
dc.title | 基於微波表面電漿之平面型子波長開放式導波結構 | zh_TW |
dc.title | A Planar and Subwavelength Open Guided Wave Structure
Based on Spoof Surface Plasmons | en |
dc.type | Thesis | |
dc.date.schoolyear | 103-2 | |
dc.description.degree | 博士 | |
dc.contributor.oralexamcommittee | 許博文,陳瑞琳,林根煌,陳念偉 | |
dc.subject.keyword | 導波結構,空間色散,微波表面電漿,單軸金屬帶線媒質, | zh_TW |
dc.subject.keyword | guided wave structures,spatial dispersion,spoof surface plasmon,uniaxial strip medium, | en |
dc.relation.page | 79 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2015-07-27 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 電信工程學研究所 | zh_TW |
顯示於系所單位: | 電信工程學研究所 |
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