Electromagnetic metamaterials : transmission line theory and microwave applications : the engineering approach
Preface. Acknowledgments. Acronyms. 1 Introduction. 1.1 Definition of Metamaterials (MTMs) and Left-Handed (LH) MTMs. 1.2 Theoretical Speculation by Viktor Veselago. 1.3 Experimental Demonstration of…
Leaky-Wave Antennas
- D. Jackson, C. Caloz, T. Itoh
- Computer ScienceProceedings of the IEEE
- 13 August 2008
This paper gives a basic review and a summary of recent developments for leaky-wave antennas (LWAs). An LWA uses a guiding structure that supports wave propagation along the length of the structure,…
Composite right/left-handed transmission line metamaterials
Metamaterials are artificial structures that can be designed to exhibit specific electromagnetic properties not commonly found in nature. Recently, metamaterials with simultaneously negative…
A design of the low-pass filter using the novel microstrip defected ground structure
- D. Ahn, Jun-Seok Park, Chul-Soo Kim, Jaehoon Kim, Y. Qian, T. Itoh
- Engineering
- 2001
A new defected ground structure (DGS) for the microstrip line is proposed in this paper. The proposed DGS unit structure can provide the bandgap characteristic in some frequency bands with only one…
Numerical techniques for microwave and millimeter-wave passive structures
- T. Itoh
- Physics
- 1989
The Finite Element Method (J. Davies). Integral Equation Technique (J. Mosig). Planar Circuit Analysis (K. Gupta & M. Abouzahra). Spectral Domain Approach (T. Uwaro & T. Itoh). The Method of Lines…
A uniplanar compact photonic-bandgap (UC-PBG) structure and its applications for microwave circuit
- Feiran Yang, K. Ma, Y. Qian, T. Itoh
- Physics
- 1 August 1999
This paper presents a novel photonic bandgap (PBG) structure for microwave integrated circuits. This new PBG structure is a two-dimensional square lattice with each element consisting of a metal pad…
Novel 2-D photonic bandgap structure for microstrip lines
- V. Radisic, Y. Qian, R. Coccioli, T. Itoh
- Materials Science
- 1 February 1998
A new two-dimensional (2-D) photonic bandgap (PBG) structure for microstrip lines is proposed, in which a periodic 2-D pattern consisting of circles is etched in the ground plane of microstrip line.…
A novel composite right-/left-handed coupled-line directional coupler with arbitrary coupling level and broad bandwidth
A novel composite right-/left-handed (CRLH) backward-wave coupled-line directional coupler with arbitrary coupling level and broad bandwidth is presented, explained by even/odd-mode analysis,…
Spectral Domain Immitance Approach for Dispersion Characteristics of Generalized Printed Transmission Lines
- T. Itoh
- Physics
- 1 July 1980
A simple method for formulating the dyadic Green's functions in the spectral domain is presented for generalized printed transmission Iines which contain several dielectric layers and conductors…
Dominant mode leaky-wave antenna with backfire-to-endfire scanning capability
A novel dominant mode leaky-wave antenna is proposed. This antenna is a transmission line structure with radiating wavenumber increasing from negative to positive values, providing backward to…
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