### Citations

307 |
Electromagnetic Wave Theory,
- Kong
- 1990
(Show Context)
Citation Context ...with c being the speed of light in vacuum), then in the reference frame which is moving with velocity v along the axis z (v = vz0), the constitutive relations for the same medium take the form (e.g., =-=[1, 2]-=-) Dt = Et + V c z0 ×H (1) Bt = µHt − V c z0 × E, (2) where and µ are the effective permittivity and permeability of the medium, respectively, V is a unitless velocity parameter, and z0 is the unit ... |

201 |
The Theory of Relativity.
- Pauli
- 1921
(Show Context)
Citation Context ...with c being the speed of light in vacuum), then in the reference frame which is moving with velocity v along the axis z (v = vz0), the constitutive relations for the same medium take the form (e.g., =-=[1, 2]-=-) Dt = Et + V c z0 ×H (1) Bt = µHt − V c z0 × E, (2) where and µ are the effective permittivity and permeability of the medium, respectively, V is a unitless velocity parameter, and z0 is the unit ... |

177 |
Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications,
- Caloz, Itoh
- 2006
(Show Context)
Citation Context ...racterized by an equivalent circuit consisting of a series Transmission Lines Emulating Moving Media 16 Figure 6: Manufactured unit cell. capacitor and a shunt inductor) has negative refractive index =-=[13]-=-. Therefore, in order to go beyond the aforementioned limits, we will, here, consider the case where the host line is left-handed (LH) or composite right/left handed (CRLH), to be precise. A physical ... |

108 |
Microwave Engineering, 3rd edition,
- Pozar
- 2004
(Show Context)
Citation Context ...cells to the propagation constant and wave impedance in moving media, respectively. The unit cell of the cascade is characterized by its ABCD (transmission) parameters. These are defined according to =-=[10]-=-[ V1 I1 ] = [ A B C D ][ V2 I2 ] , (7) where V1 and I1 are the input voltage and current, respectively, while V2 and I2 are the corresponding quantities at the output. It is important to note that in ... |

27 |
Electromagnetics of bi-anisotropic materials: Theory and applications,
- Serdyukov, Semchenko, et al.
- 2001
(Show Context)
Citation Context ...true for the case when a receiver and a transmitter are in relative motion. On the other hand, considering (1) and (2) one notices that these are the constitutive relations of a bi-anisotropic medium =-=[2, 3]-=-, which may potentially be realized as a composite material at rest. These material relations with anti-symmetric coupling dyadics correspond to a nonreciprocal class of bi-anisotropic media called, b... |

8 | Magnetoelectric interactions in bi-anisotropic media - Tretyakov, Sihvola, et al. - 1998 |

8 |
Tretyakov, “Total absorption of electromagnetic waves in ultimately thin layers
- Ra’di, Asadchy, et al.
- 2013
(Show Context)
Citation Context ...ive” velocity correspond to an exponent with an imaginary argument, while the imaginary velocity corresponds to exponential decay or amplification of fields depending on the propagation direction. In =-=[7]-=-, it was shown analytically that a thin layer (a single layer of hypothetical “moving molecules”) of an artificial moving medium can be tuned to work as an ideal isolator. Thus, realization of materia... |

7 |
Realisation of Gyrators using Operational Amplifiers and Their Use
- Antoniou
- 1969
(Show Context)
Citation Context ...rder to realize the unit cell of Fig. 2 with the aforementioned component values, we first had to choose the gyrator. There are a myriad of different circuits that can be used for realizing a gyrator =-=[15]-=-. We have chosen to use the circuit shown in Fig. 5 which is based on two operational amplifiers (AD823). The coupled inductors in the unit cell were realized as two coils wound on top of each other (... |

4 | Generalized field transforming metamaterials - Tretyakov, Nefedov, et al. |

4 |
Circuit analysis : Theory and practice
- Robbins, Miller
- 2004
(Show Context)
Citation Context ...n the effective normalized velocity V . The ABCD parameters of the proposed unit cell can be derived using simple circuit analysis. Considering the equivalent circuit for the coupled inductors (e.g., =-=[11]-=-), we write V1 as a function of I1 and V2 and use the ABCD matrix for the gyrator (14) to write the input/output voltage of the gyrator as a function of its output/input current. Finally, applying Kir... |

2 |
Nonreciprocal composite with the material relations of the transparent absorbing boundary
- Tretyakov
- 1998
(Show Context)
Citation Context ...ng Media 3 found among natural materials, but there have been conceptual suggestions on how such materials can be possibly realized using composites containing magnetized ferrite and metal inclusions =-=[3, 5]-=-. In the artificial-medium scenario, the values of the velocity parameter in the constitutive relations are not restricted to real values smaller than the speed of light, so this opens exciting opport... |

2 |
Nonreciprocal phase-shift composite right/left handed transmission lines and their application to leaky wave antennas
- Ueda, Horikawa, et al.
- 2009
(Show Context)
Citation Context ...osite phase and energy velocities. However, the response of a CRLH TL is always reciprocal meaning that the same propagation mode is supported for both propagation directions at a given frequency. In =-=[12]-=-, the concept of nonreciprocal CRLH TLs was discussed. It was shown that such TLs have the ability to support forward waves for one (power) propagation direction and backward waves for the opposite di... |

2 |
Negative capacitor paves the way to ultra-broadband metamaterials
- Hrabar, Krois, et al.
- 2011
(Show Context)
Citation Context ... media with negative refractive index. Having a dispersionless and negative refractive index for a TL unit cell is only possible if active non-Foster elements (negative capacitors/inductors) are used =-=[14]-=-. It should be noted that, here, backward propagation does not imply that the effective Transmission Lines Emulating Moving Media 19 refractive index, permittivity and permeability are negative, like ... |

1 |
Cummer,“Nonreciprocal active metamaterials,” Phys
- Popa, A
- 2012
(Show Context)
Citation Context ...from parasitic chirality of the inclusions. Also, the suggested inclusions are resonant structures leading to a highly dispersive response. General nonreciprocal metamaterials have been considered in =-=[8]-=-, where a nonreciprocal active metamaterial slab was realized. The slab was shown to be transparent to microwaves propagating in one direction and opaque in the opposite direction within a fairly narr... |

1 |
Tretyakov,“Omega transmission lines with applications to effective medium models of metamaterials
- Vehmas, Hrabar, et al.
- 2014
(Show Context)
Citation Context ...edium, artificial moving medium and suggested artificial TL moving medium is illustrated in Fig. 1. A similar study for another special case of bi-anisotropic media, the omega media, was conducted in =-=[9]-=-. Figure 1: Connection between moving magnetodielectric medium (left), artificial moving medium (middle) and artificial TL moving medium (right). 2. Propagation constants and wave impedance of moving ... |