單迴路共振器超穎材料之濾波器設計

本論文是研究藉由單迴路共振器(Single Loop Resonator；SLR)的雙頻負導磁係數結構，結合互補式分裂共振環(Complementary Split-Rings Resonators；CSRRs)與複合式左右手(Composite Right/Left-Handed；CRLH)傳輸線的基礎理論，運用簡單的微帶線型式，製作出互補式單迴路共振結構之低通以及帶通濾波器設計，以達到縮小整體尺寸與設計簡單之訴求，其成果可應用於WLAN的2.402∼2.484 GHz與WiMAX的2.3∼2.5 GHz、3.3∼3.7 GHz的頻段。本論文的實驗模擬數據採用Ansoft (High Frequency Structure Simulation；HFSS)進行分析。之後利用傳遞波矩陣法經由MATLAB計算轉換得到折射率n、介電常數ε、導磁係數μ，證明SLR結構為超穎材料(Metamaterial；MTM)之特性。互補式SLR濾波器設計中經由模擬軟體(Advanced Design System；ADS)得到其等效電路模型參數，之後從S參數求得布洛赫阻抗(Bloch impedance；ZB)，計算的正負值，可以得知在特定頻段範圍具有左手(Left-Handed；LH)特性。

關鍵字

超穎材料；互補式分裂共振環；複合式左右手傳輸線；單迴路共振器

並列摘要

This paper is to study the application of negative permeability structure of Single Loop Resonator (SLR) with dual-band, combined with the complementary split-rings resonators (CSRRs) and Composite Right/Left–Handed (CRLH) transmission line as the basic theory, by using the simple microstrip line to produce low-pass filter and band-pass filter with composite SLR design, its reduce the overall size and answer the demand for simple design. The results can be used in the 2.402∼2.484 GHz WLAN and WiMAX in the 2.3∼2.5 GHz, 3.3∼3.7 GHz with the bandwidth. The simulated data from the experiment is analyzed by using Ansoft (High Frequency Structure Simulation; HFSS). Applying the S-parameter retrieval methods is calculated by MATLAB, to get the index n、permittivity ε、permeability μ, to prove that the structure of SLR has the properties of Metamaterial (MTM). Calculate the parameter of equivalent circuit model for the composite SLR filter design and using simulation software (Advanced Design System；ADS), obtain the Bloch impedance(ZB) form the S-parameter, calculate the positive and negative value of , the study will learn in a specific band range, the result has the unique property like Left Handed (LH).

並列關鍵字

Metamaterials (MTM) ； Complementary Split-Rings Resonators (CSRRs) ； Composite Right/Left-Handed (CRLH) transmission line ； Single Loop Resonator (SLR)

參考文獻

[28] D. K. Cheng, Field and Wave Electromagnetics, Second Edition, Addison-Wesley, United States of America, 1989.

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單迴路共振器超穎材料之濾波器設計

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